Monster (2014)

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.