Storyline
Discover the story behind the screen.
A boy falls to his death at school, but Ok Chan-mi does not believe that her twin brother, Park Won-seok, committed suicide. Chan-mi transfers to her brother's school, Yongtan High, and meets Ji Soo-heon, who witnessed her brother's death. A "hero," who avenges bullied students, appears at Yongtan High. Chan-mi…
Top Billed Cast
Shin Ye-eun
Ok Chan-mi
Lomon
Ji Soo-heon
Seo Ji-hoon
Seok Jae-beom
Chae Sang-woo
Ki Oh-seong
Lee Soo-min
Gook Ji-hyun
Chung Su-bin
Tae So-yeon
Kim Joo-ryoung
Jin So-jeong
Wooyeon
Hong Ah-jung
Jin Ho-eun
Sa Joong-kyung
Yeon Oh
Lim Seung-woo
Ok Jin-uk
Ma Nak-joon
Kang Yul
Park Won-seok / Ok Chan-kyu
Ha Min
Hwang Soo-na
Jeon Seok-chan
Gu Ja-taek
Episodes
Episode 1
Chanmi transfers to her twin brother's school to find out the truth about his suicide.
Episode 2
Chanmi learns a shocking truth of a different life that her brother lived.
Episode 3
Sooheon punishes Sa Jungkyung and is called a hero by the students, but Chanmi grows suspicious.
Episode 4
There is a scheme to kick Chanmi out of school, and Sooheon advises her to leave.
Episode 5
Wonseok's case is reclassified as a homicide. Chanmi learns of Wonseok's lie to her.
Episode 6
Sooheon finds himself in a predicament as he becomes number one suspect of a murder.
Episode 7
Chanmi gets an unbelievable call, as she holds Sooheon at gunpoint.
Episode 8
Chanmi and Sooheon are convinced that Gi Osung is Wonseok's killer.
Episode 9
Sooheon revisits Sa Jungkyung's camping car, but it is a trap.
Episode 10
Osung feels betrayed as his plan fails. Chanmi makes a shocking discovery as she sets up a trap.
Episode 11
Jaebum regains his memories, but Sooheon is unfamiliar with this version of Jaebum.
Episode 12
As truths emerge, the time for the final revenge has come.
