Season 1
(2023)
Cast
as Nam Si-heon / Koo Yeon-jun
as Kwon Min-ju / Han Jun-hee
as Jung In-gyu
as Bae Mi-yeong
as Bae Chi-won
as Sung Hye-mi
as Lee Su-jin
as Byeon Da-hyeon
as Park Ji-hui
as Se-kwon
as Bum-sun
as Gye-sun
as Ji Yong-seon
as Dong-jun
as Seo Na-eun
as Kwon Do-hun
as Oh Chan-yeong / Oh Chan-hui
Episodes
Episode 1 6.6
September 8, 2023
Han Jun-hee continues to grieve Koo Yeon-jun. When she receives mysterious flowers on her birthday, she has an odd feel…
Episode 2 5.2
September 8, 2023
While investigating her lookalike, Jun-hee receives a strange package. Kwon Min-ju develops a friendship with her crush…
Episode 3 8.7
September 8, 2023
Jun-hee tries to make sense of Min-ju's recollections that get jumbled up with her own. Nam Si-heon discovers a new sid…
Episode 4 8.3
September 8, 2023
As Jun-hee struggles to distinguish reality from her dreams, she receives an old diary that contains a shocking truth.
Episode 5 6.2
September 8, 2023
Back in 1998, Jun-hee's bubbly personality shines through Min-ju. Those around her begin to notice — including a myster…
Episode 6 8.3
September 8, 2023
Si-heon finds himself attracted to the new Min-ju. The love triangle grows when he decides to come clean to Jung In-gyu.
Episode 7 8.7
September 8, 2023
Jun-hee tries to warn the boys of the approaching danger. Meanwhile, a horrifying event takes place at school during th…
Episode 8 8.7
September 8, 2023
Yeon-jun eventually finds his way to Jun-hee. He does whatever he can to enchant her, but falling in love is not as eas…
Episode 9 7.7
September 8, 2023
Jun-hee and Yeon-jun enjoy a stretch of happiness. Meanwhile, Si-heon deals with one obstacle after another.
Episode 10 7.0
September 8, 2023
Jun-hee vows to change the past and save Min-ju. Si-heon, while investigating the murder, stumbles upon a chilling trut…
Episode 11 7.0
September 8, 2023
Min-ju turns a blind eye to the dangers ahead and focuses on spending time with Si-heon. Si-heon and In-gyu, however, s…
Episode 12 8.7
September 8, 2023
As Min-ju takes her life into her own hands, Jun-hee makes a last-ditch effort. She and Si-heon later decide to finally…