Hong-Bin (Lee Dong-Wook) is an arrogant man with an anger problem. He runs a game company. The employees are all afraid of him. He holds a grudge against his father especially. His father broke up his relationship with Tae-Hee (Han Eun-Jung) 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 (Han Jung-Soo) 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. The woman who has her scent is Se-Dong (Shin Se-Kyung).

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