Lee Jung Do comes from a family of legendary thieves. But he overcomes these obstacles, passes law exams, and becomes a prosecutor. Oh Young Joo is a detective and is staying as an officer in Jung Do’s neighborhood. Kim Joon Ki is a classmate of Jung Do. He meets Young Joo through a blind date and has continued to pursue her even though she has said she has no time to waste as she is always arresting criminals. Moon Chae Ri is from a distinguished family and she tries to seduce Joon Ki until a man that lives the correct lifestyle, Jung Do, appears in front of her.