Hong Bin is an arrogant man with an anger problem. He runs a game company and the employees are all afraid of him. He holds a grudge against his father , because his father broke up his relationship with Tae Hee and he still can't get over her. Recently, he seems angry all the time and his sense of smell has gotten more sensitive. His secretary hasn't told him that when he gets angry, blades come out of his body. He is the only person that knows about that. One day, Hong Bin goes to the hospital to see his employees who were beaten by him. There, he notices the scent of Tae Hee, but the woman who has her scent is Se Dong.