Seong-min Kang

A high school students took a prank too far, resulting in the death of a classmate. After burying him alive, he lashes out from the grave, only to mysteriously disappear just as quick. However, they had also videotaped the act for their own amusement. Now, a masked murderer is tracking the group of five's every move, picking them off one-by-one, while showing portions of the film in random public places. (mydramalist.com)

A prosecutor has lost his memory and discovers that he is convicted on death row. He is now left with no option but to find the truth behind his condition and prove his innocence. (imdb)

A murder of a woman in her 20s in the middle of Seoul. Tae Seok who is a student of a prestigious university accidentally kills Mi Na who's a gold digger. Tae Seok's father is about to run for councilman election and asks Lawyer Kim Hyeon Su to take care of the murder. Hyeon Su tells Tae Seok to turn himself in and claims he'll be found innocent. The prosecutor in charge of this case, Chae Jin Wook, was a fellow trainee with Hyeon Su. He's very determined to put Tae Seok in jail.