Do hyun is the heir of a multi million company but he has a secret to protect. Do hyun has a condition called D.I.D. or dissociative identity disorder or muliple personality. To help him prepare for his role in their company and control his different personality he employed the help of a psychiatrist, Oh Ri Jin.
Se ki is one of the personality of Do Hyun, among his personality Se ki is the most vicious and darker personality.
Perry Park the happy go lucky personality with a fling with explosive.
Yona the female teenager identity of do hyun, the most troublesome identity to contain.
Yo seob the suicidal personality, a poet among the group.
along the story little by little the reason behind each personality will be revealed and the connection of Oh ri jin with these personality will come to the open..