Yoon Bum, a frail 23-year-old sheepish guy with dark hair, pale skin and dark circles under his eyes due to insomia and other mental disturbances, goes to a National College but close on being a dropped out for not being able to maintain a passing grade. He is called by his professor to take make up tests to help pull his grades up and there he meets Sangwoo, a brawny 20-year-old jockey who is admired by everyone. Bum becomes interested with Sangwoo when he lend him a help on one of the tests. Bum develops more strange behaviors than usual and unaware of it, he starts following and stalking Sangwoo. Both of them never talked to each other besides when Sangwoo helped him on his make up tests. But everytime Bum caught Sangwoo's eyes on him for split seconds, he assumes that Sangwoo likes him and it makes Bum's behavior more unstable and causes him to start doing deviant things to people getting close to Sangwoo and may be to Sangwoo, too.All Rights Reserved