Season 1 poster

Season 1

(2020)

Cast

Lee Si-gang as Cha Seo-joon
Lee Si-gang

as Cha Seo-joon

Lee Chae-young as Han Yoo-ra
Lee Chae-young

as Han Yoo-ra

Kang Eun-tak as Lee Tae-pung / Yoo Min-hyuk
Kang Eun-tak

as Lee Tae-pung / Yoo Min-hyuk

Uhm Hyun-kyung as Han Yoo-jung
Uhm Hyun-kyung

as Han Yoo-jung

Kim Jung-don as Baek Min-won
Kim Jung-don

as Baek Min-won

Oh Chae-eun as Dong-ho's Kindergarten Teacher
Oh Chae-eun

as Dong-ho's Kindergarten Teacher

Eru as Choi Joon-seok
Eru

as Choi Joon-seok

Yang Mi-kyung as Lee Kyung-hye
Yang Mi-kyung

as Lee Kyung-hye

Seo Woo-jin as Han Ho-dong / Lee Min-woo
Seo Woo-jin

as Han Ho-dong / Lee Min-woo

Lee Il-hwa as Yoon Su-hee / Seo Ji-sook
Lee Il-hwa

as Yoon Su-hee / Seo Ji-sook

Chae Bin as Kang Ye-jin
Chae Bin

as Kang Ye-jin

Episodes

Episode 1 poster

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September 7, 2020

Due to an accident, Tae Poong only has the mental capability of a seven-year-old. Yu Jung, his next-door neighbor, has …

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September 8, 2020

Kyung Hee sends Tae Poong home with Dae Chul from the hospital. Yu Ra finds out that she wasn’t offered the DJ position…

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September 9, 2020

Kyung Hye meets Ji Yeon through a marriage matchmaking service. She likes her right away and introduces her to Tae Poon…

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September 10, 2020

Tae Poong’s mother meets Ji Yeon at the welfare center and invites her to dinner. Ji Yeon seems like the best possible …

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September 11, 2020

Yu Jung finds Tae Poong alone as she planned and takes him to a motel to spend the night. She intentionally lets her mo…

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September 14, 2020

Yu Ra’s parents are devastated to find out that Tae Poong is the father of Yu Ra’s baby. Yu Jung senses something is un…

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September 15, 2020

Yu Ra wants to marry Tae Poong before Jun Seok wakes up. Yu Jung keeps asking Yu Ra about what happened that day, and Y…

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September 16, 2020

Sook Ha scolds Yu Jung for ruining Yu Ra’s wedding. Tae Poong realizes he has feelings for her twin sister, Yu Jung, an…

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September 17, 2020

Yu Ra decides to register her marriage as soon as possible, and Kyung Hye wants to be there. As Yu Ra is about to submi…

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September 18, 2020

Jun Seok’s younger brother, Mr. Kim, tells Yu Ra to get a paternity test after she gives birth. She tries various metho…

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September 21, 2020

Ji Seok insists on getting a paternity test on the baby immediately. Sang Hyeon thought he had given up on finding Su H…

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September 22, 2020

Hwa Yeon realizes that Ji Sook is alive, so she orders Mr. Koo to never let her regain her memory. Yu Ra questions her …

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September 23, 2020

Yu Ra continues to delay registering Min Woo's birth certificate since she finds out that Kyung Hye's company is in a d…

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September 24, 2020

Sang Hyeon goes to see Woo Seok at his office and at home. Hwa Yeon tries to stop him from seeing her husband. Kyung Hy…

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September 25, 2020

Yu Ra finds out the foundation her mother-in-law has been donating to has been going through turmoil, so she tells her …

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September 28, 2020

Yu Ra is worried about what Jun Seok will tell her mother-in-law. Sang Hyeon's family rushes into the hospital to see S…

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September 29, 2020

Kyung Hye is arrested for a hit-and-run because there was a witness who testified against her. Sang Hyeon dies, and his…

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September 30, 2020

Kyung Hye gets arrested again because of Yu Ra's testimony. Yu Ra tries to fabricate Kyung Hye's will and obtain owners…

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October 1, 2020

Tae Poong struggles to accept the changes that occur now that Kyung Hye and Yu Ra are gone. Yu Ra leaves Min Woo and Ta…

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October 2, 2020

Tae Poong gets the dashcam footage from the lady next door and takes it to the detective. Unfortunately, Detective Choi…

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October 5, 2020

Tae Poong wakes up with Savant syndrome and realizes he has higher intelligence than the average person. He changes his…

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October 6, 2020

Yu Ra can't stop thinking that Min Hyuk is Tae Poong, so she tries to find out the truth herself. She invites him to he…

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October 7, 2020

Hwa Yeon is grateful to Yu Ra for saving her life, so she treats Yu Ra to a meal and likes what she sees. Tae Poong and…

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October 8, 2020

Yu Jung finally encounters Tae Poong. Ever since Yu Ra saved Hwa Yeon's life, they've rapidly become closer friends. Su…

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October 9, 2020

Yu Jung's mother leaves a note saying she plans to kill herself and goes missing. Her family looks all over the town to…

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October 12, 2020

Min Hyuk falls into Yu Ra's trap and eats a salad with shrimp powder on it, put there by Yu Ra. He barely manages to es…

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October 13, 2020

Seo Jun is at the bar with Min Hyuk when he hears Yu Jung's voice somewhere in the room. Afterward, he continues to sea…

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October 14, 2020

Yu Ra finds President Ko's son as she planned, and he wants to repay her for it. She uses the chance to win Seo Jun's f…

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October 15, 2020

One of DL Group's subcontractors had a contract canceled, so he holds up a sign in front of the company. Woo Seok bring…

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October 16, 2020

Na Young shows up in front of Yu Ra. Na Young threatens Yu Ra with her past so she could be selected as a successful ca…

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October 19, 2020

Yu Ra tells Seo Jun's parents that she wants to move in with them after the wedding. Min Hyuk meets the prosecutor that…

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October 20, 2020

Min Hyuk realizes that DL was behind his mother's death, so he tries to find a way into the group. He finds a connectio…

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October 21, 2020

Min Hyuk finds out that Yu Ra was behind Shin So Young's false testimony. Chief Kang ends up keeping his job, but Min H…

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October 22, 2020

Min Hyuk becomes the chief legal officer of DL Group. He meets Yu Jung as he's dealing with the abusive customer from l…

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October 23, 2020

Yu Jung wakes up with a serious headache. She remembers how she acted last night and regrets it, feeling embarrassed. S…

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October 26, 2020

Min Hyuk plans to make Seo Jun and Yu Jung meet again to separate Yu Ra from DL Group. Sook Ja is offered a part-time j…

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October 27, 2020

Min Hyuk helps Yu Jung prepare for the DL special recruitment contest so that he can make her and Seo Jun meet. Seo Jun…

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October 28, 2020

Seo Jun and Yu Jung finally meet after five years, but they don't have much time to catch up before the important onlin…

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October 29, 2020

Yu Ra gets furious after Seo Jun stands her up. Seo Jun introduces Yu Jung to Min Hyuk as his first love. Yu Jung worri…

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October 30, 2020

Yu Ra rushes into Seo Jun's hotel room, thinking he was cheating on her. She realizes she misunderstood, and Seo Jun de…

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November 2, 2020

Seo Jun wants to explain his situation to Yu Jung, but she won't listen. Yu Ra tries to stop Seo Jun from getting a div…

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November 3, 2020

Yu Ra finds out that Seo Jun had feelings for Yu Jung, so she quibbles over her relationship with Seo Jun. Yu Jung tell…

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November 4, 2020

Min Hyuk takes Yu Jung home safely after the accident. As she gets home, she hears about Tae Poong's death, and she's d…

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November 5, 2020

Yu Jung gets herself together and goes back to work. Seo Jun was worried about her but decided not to ask her about it.…

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November 6, 2020

Dong Ho safely returns home. Yu Jung's team works on a collaborative project, so Seo Jun, Yu Jung, and Ye Jin meet the …

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November 9, 2020

Min Hyuk decides not to tell Yu Jung that he's Tae Poong to prevent Seo Jun from finding out and getting hurt. But he s…

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November 10, 2020

Yu Jung believes that Min Hyuk is actually Tae Poong and keeps asking him to tell her that he is Tae Poong, who she was…

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November 11, 2020

Min Hyuk goes to find Yu Jung to tell her everything about what has happened to him so far. However, to everyone else, …

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November 12, 2020

Yu Ra tells Seo Jun that she's never getting a divorce. He tries to act up and hurt her feelings so that she'll give up…

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November 13, 2020

Yu Myung gets arrested for design theft. However, it turns out that the design belongs to DL Group, and the company has…

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November 16, 2020

Yu Ra goes to her parents' house and screams at Yu Jung, claiming that she flirted with Seo Jun, her husband. Sook Ja t…

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November 17, 2020

Ju Seol tells Yu Jung that he'll sue her. It turns out Yu Ra told Sook Ja to send her the pictures of Ju Seol's noteboo…

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November 18, 2020

Ju Seol gets a phone call from Hwang Jin Sung and accepts Yu Jung's apology. Seo Jun realizes that Yu Ra is hiding some…

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November 19, 2020

Na Young keeps coming to talk to Seo Jun, which makes Yu Ra feel threatened. Na Young asks Yu Ra for a job or at least …

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November 20, 2020

Yu Ra threatens Tae Poong and says he must cooperate if he doesn't want Seo Jun to find out about the relationship betw…

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November 23, 2020

Min Hyuk sends a thermal mattress to Hwa Yeon so that Dae Chul can find out where Yu Ra lives. Yu Jung wants to quit he…

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November 24, 2020

Min Hyuk tells Dae Chul that he's not Tae Poong. He keeps digging into Yu Ra's past to force her out of Seo Jun's famil…

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November 25, 2020

Tae Poong finally goes to Dae Chul and explains the situation. Dae Chul promises to convince Yu Ra to come clean, but s…

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November 26, 2020

Yu Ra tries to dig into the truth about Tae Poong's death after her gynecologist told her she was Tae Poong. Yu Jung te…

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November 27, 2020

Dong Ho and Sook Ha suddenly disappear, and everyone falls into panic. Yu Jung asks Yu Ra about Dong Ho's whereabouts, …

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November 30, 2020

Min Hyuk tells Yu Ra that he's Tae Poong. All family members of Yu Jung learn the truth of Min Hyuk's identity. Yu Ra p…

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December 1, 2020

Tae Poong gives Yu Ra the last chance to come clean, but she decides to fake an accident to get him arrested instead. S…

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December 2, 2020

Yu Ra shows Seo Jun the picture of Yu Jung and Min Hyuk. Seo Jun goes to Min Hyuk in custody to ask in person and finds…

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December 3, 2020

Seo Jun ends up helping Min Hyuk get released from the police station. He asks Min Hyuk to break up with Yu Jung. Min H…

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December 4, 2020

Yu Jung is shocked to find out that Seo Jun knows about her and Tae Poong. Meanwhile, Yu Jung's mother is frantic after…

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December 7, 2020

Yu Jung and Tae Poong decide to break up with each other due to the circumstances. Dong Ho gets lost and ends up callin…

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December 8, 2020

Seo Jun tells his family that he's divorcing Yu Ra. The whole family is shocked, and Yu Ra tries to stop the divorce. M…

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December 9, 2020

Dong Ho is suspected of having leukemia, so the doctor runs a few tests. He's diagnosed with acute lymphocytic leukemia…

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December 10, 2020

Min Hyuk tells Dong Ho that he can call him his father so that Dong Ho will shave his head for chemotherapy. Woo Seok t…

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December 11, 2020

Tae Poong is shocked when he finds out that Dong Ho isn't his biological father. Still, he asks Yu Ra to take the bone …

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December 14, 2020

Dong Ho finds a match, but the donor can't do it because she recently found out that she's pregnant. Yu Jung's family a…

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December 15, 2020

Yu Ra leaves the hospital to avoid Seo Jun, but Dong Ho dies while waiting for the transplant. Everyone, including Yu J…

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December 16, 2020

Tae Poong talks to Jun Seok about his big plan of taking Yu Ra down. Jun Seok agrees to the plan because he resents her…

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December 17, 2020

Jun Seok is attacked in bed, and Tae Poong rushes in to rescue him. They fail to catch the attacker, but Tae Poong know…

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December 18, 2020

Yu Jung decides to date Seo Jun in order to take revenge on Yu Ra for Dong Ho's death. Tae Poong wants to stop her, but…

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December 21, 2020

Yu Jung goes to Seo Jun's house and tells his parents that Dong Ho wasn't her child. She asks for their permission to g…

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December 22, 2020

Hwa Yeon hears that Seo Jun was with Yu Jung when he was beaten up. She slaps Yu Jung and tells her to leave. Yu Jung k…

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December 23, 2020

Yu Ra returns to Seo Jun's house once again and tells his family that she's pregnant. Seo Jun can't remember anything b…

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December 24, 2020

Hwa Yeon prevents Woo Seok from seeing Su Hee's face. Yu Jung sees Yu Ra taking cold medicine and doubts that she's pre…

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December 25, 2020

Yu Jung tells Seo Jun about Yu Ra's fake pregnancy. Seo Jun takes the recording to Yu Ra and interrogates her. But Yu R…

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December 28, 2020

Yu Ra kidnaps Yu Jung so that she can find out where she hid Min Woo’s things. Yu Jung refuses to answer, while her fam…

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December 29, 2020

Tae Poong asks around to find Yu Jung and rescues her. Yet she loses consciousness and sees Seo Jun at the hospital whe…

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December 30, 2020

Yu Ra provides proof of her pregnancy to a reporter to get rid of the rumors. Su Hee’s store wins Store of the Month, a…

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December 31, 2020

Yu Ra brings Su Hee to her house so that she can get Hwa Yeon to confirm her pregnancy in front of a reporter. Yu Jung …

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January 1, 2021

Yu Jung rushes to the hospital as soon as she hears that Tae Poong has collapsed. She asks Su Hee not to tell him that …

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January 4, 2021

Yu Ra tells Seo Jun that the fabrication of the trending topic and the article about the gynecologist were both written…

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January 5, 2021

Min Hyuk and Yu Jung get back together after the misunderstanding is resolved. Hwa Yeon tries to get Mi Ri to break up …

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January 6, 2021

Sang Tae decides to look into the past hit-and-run case that killed his brother, Sang Hyeon. Seo Jun notifies Su Hee th…

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January 7, 2021

Su Hee faints the moment she sees Woo Seok. She’s sent to the hospital. He visits the hospital to see her again, but sh…

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January 8, 2021

Woo Seok is bitter after he realizes he has mistaken Su Hee for Ji Sook. Meanwhile, Seo Jun finds out something strange…

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January 11, 2021

Su Hee gets hit in the head, but she’s not badly hurt. Min Hyuk learns that the text message that called her out was se…

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January 12, 2021

Dae Chul tells Yu Jung that the woman he was having an affair with is her mother. Yu Jung comes to accept the fact. Chu…

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January 13, 2021

Seo Jun tells Yu Jung, Yu Ra, and Min Hyuk that he knows Yu Jung and Yu Ra are sisters and that Min Hyuk is Tae Poong. …

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January 14, 2021

Hwa Yeon is moved to the hospital after getting hit by a van. The doctor diagnoses that she’s paralyzed from the waist …

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January 15, 2021

Yu Ra finds out that Hwa Yeon has been lying about her legs. Once again, she makes a deal with Hwa Yeon and manages to …

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January 18, 2021

Woo Seok crashes into a truck on his way to see Ji Sook, and he lapses into a coma due to a cerebral hemorrhage. Hwa Ye…

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January 19, 2021

Dae Chul tells Su Hee he’s been raising her child, who he found on the mountain 31 years ago. Su Hee and Yu Jung finall…

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January 20, 2021

Yu Ra goes to the police station with Tae Poong to confess she lied five years ago. Sang Tae learns his brother’s postm…

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January 21, 2021

Yu Ra tries to break out of the asylum. Hwa Yeon manages to be released from prosecution. Seo Jun registers as a chairm…

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January 22, 2021

As Yu Jung persuades a major stockholder to change his mind, Hwa Yeon chooses to join hands with Yu Ra. With Yu Ra’s he…

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January 25, 2021

Woo Seok tells Hwa Yeon he’ll divorce her. Seo Jun and Woo Seok make up with each other. Yu Ra finally hears the news t…

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January 26, 2021

Yu Ra tells Hwa Yeon that Min Hyuk is Tae Poong and asks for the foundation in return. She also finds out that Jun Seok…

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January 27, 2021

Tae Poong and Sang Tae get evidence of Mr. Koo’s past crime. Mr. Koo and Chang Beom are finally arrested, and Tae Poong…

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Invalid Date

Seo Jun dies from the accident, and everyone is in mourning. Yu Ra is hiding after she hit Seo Jun, and she reaches out…

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Invalid Date

Yu Ra desperately waits for her match to show up, but things just won’t go as she’d hoped. Tae Poong stands in court to…