Chanmi transfers to her twin brother's school to find out the truth about his suicide.
EPISODE 1
Episode 1
EPISODE 2
Episode 2
Chanmi learns a shocking truth of a different life that her brother lived.
EPISODE 3
Episode 3
Sooheon punishes Sa Jungkyung and is called a hero by the students, but Chanmi grows suspicious.
EPISODE 4
Episode 4
There is a scheme to kick Chanmi out of school, and Sooheon advises her to leave.
EPISODE 5
Episode 5
Park Wonseok's case is reclassified as a murder case and the police launches a full-fledged investigation. The students identify different people as suspects in their interviews.
EPISODE 6
Episode 6
Sooheon finds himself in a predicament as he becomes the number one murder suspect.
Shin Ye-eun
Lomon
Seo Ji-hoon
Chae Sang Woo
Lee Soo-min
Jung Soo Bin
Kim Joo-ryoung
Kang Yul
Wooyeon
Jin Ho-eun
Kim Yujin
