Season 1 poster

Season 1

(2020)

Cast

Lee Joon-gi as Baek Hee-sung / Do Hyun-soo
Lee Joon-gi

as Baek Hee-sung / Do Hyun-soo

Moon Chae-won as Cha Ji-won
Moon Chae-won

as Cha Ji-won

Jang Hee-jin as Do Hae-soo
Jang Hee-jin

as Do Hae-soo

Seo Hyun-woo as Kim Moo-jin
Seo Hyun-woo

as Kim Moo-jin

Jung Seo-yeon as Baek Eun-ha
Jung Seo-yeon

as Baek Eun-ha

Nam Kee-ae as Gong Mi-ja
Nam Kee-ae

as Gong Mi-ja

Son Jong-hak as Baek Man-woo
Son Jong-hak

as Baek Man-woo

Jo Kyung-sook as Moon Young-ok
Jo Kyung-sook

as Moon Young-ok

Choi Dae-hoon as Lee Woo-chul
Choi Dae-hoon

as Lee Woo-chul

Choi Young-jun as Choi Jae-sup
Choi Young-jun

as Choi Jae-sup

Kim Soo-oh as Im Ho-joon
Kim Soo-oh

as Im Ho-joon

Im Cheol-hyung as Yoon Sang-pil
Im Cheol-hyung

as Yoon Sang-pil

Yang Hye-jin as Kang Pil-young
Yang Hye-jin

as Kang Pil-young

Ju Ye-eun as Reporter Joo
Ju Ye-eun

as Reporter Joo

Hong Seo-jun as Chief Kang
Hong Seo-jun

as Chief Kang

Park Hyun Joon as Young Do Hyun-soo
Park Hyun Joon

as Young Do Hyun-soo

Lim Na-young as Young Do Hae-soo
Lim Na-young

as Young Do Hae-soo

Jeong Taek-hyeon as Young Kim Moo-jin
Jeong Taek-hyeon

as Young Kim Moo-jin

Choi Byung-mo as Do Min-seok
Choi Byung-mo

as Do Min-seok

Kim Ji-hun as Baek Hee-sung
Kim Ji-hun

as Baek Hee-sung

Episodes

My Dad Tried To Kill Me poster

My Dad Tried To Kill Me 7.5

July 29, 2020

When a young boy accuses his father of trying to kill him, Cha Ji-won investigates. An unwelcome reminder of Do Hyeon-s…

Missing Thumbnails poster

Missing Thumbnails 7.5

July 30, 2020

The police wonder whether they have a copycat killer on their hands when a dead woman is discovered with an unusual inj…

Something is Off poster

Something is Off 8.0

August 5, 2020

A man is found murdered inside a restaurant. Hyeon-su is caught off-guard when Ji-won and her team show up at Moo-jin's…

The Real Culprit poster

The Real Culprit 8.0

August 6, 2020

Ji-won tracks down Hyeon-su's sister. Hyeon-su and Moo-jin scheme to keep an incriminating photo out of the police's gr…

The Watch Strap poster

The Watch Strap 9.0

August 12, 2020

Hyeon-su is kidnapped. As the police scramble to catch the taxi driver, Ji-won is horrified to realize that her husband…

The Witness poster

The Witness 6.0

August 13, 2020

Ji-won begins to question everything she knows about her husband. Meanwhile, Baek Man-u urges Hyeon-su to protect their…

I Know You poster

I Know You 8.0

August 19, 2020

After Moo-jin's claims about Do Min-seok's accomplice go viral, Do Hae-su appears in front of him. Ji-won gets a glimps…

Reinvestigation poster

Reinvestigation 8.5

August 20, 2020

Reunited with his sister, Hyeon-su asks whether she remembers the man from their father's funeral. Ji-won eavesdrops on…

I'll Find the Accomplice poster

I'll Find the Accomplice 7.5

August 26, 2020

A man's voice on an audio recording triggers Hyeon-su's memories. Ji-won tells Hyeon-su her feelings for him have chang…

Hyeon-su's Deal poster

Hyeon-su's Deal 8.5

August 27, 2020

Determined to save the trafficked victims and to learn the identity of his father's accomplice, Hyeon-su puts himself a…

Can't Leave Without You poster

Can't Leave Without You 8.5

September 2, 2020

Choi Jae-seop wants Ji-won to sit out on the case, but she refuses to listen. Hyeon-su's plan to bring down Yeom Sang-c…

Hyeon-su is not a Bad Person poster

Hyeon-su is not a Bad Person 8.0

September 9, 2020

To spare her from worry, Hyeon-su keeps another secret from Ji-won. Hae-su decides it's time to come clean about the vi…

The Invisible Accomplice poster

The Invisible Accomplice 7.5

September 10, 2020

Man-u and Gong Mi-ja are ready for Ji-won and Hyeon-su when they arrive for a confrontation. The next day, another dead…

An Unwelcome Guest poster

An Unwelcome Guest 7.0

September 16, 2020

While framed for a murder he didn't commit, Hyeon-su sets out to save the life of his father's victim. Ji-won puts her …

Detective Cha is Dead poster

Detective Cha is Dead 9.0

September 17, 2020

The police leak a false story to the press hoping to lure out the true culprit. Hyeon-su and his father's accomplice fi…

Another Beginning poster

Another Beginning 7.0

September 23, 2020

Nothing makes sense to Hyeon-su when he wakes up, least of all Ji-won. To help Hae-su win her trial, Ji-won and Hyeon-s…