Kim Jae-sun (24 Years Old) is a successful entrepreneur, a handsome and highly renowned figure among businessmen. However, behind his success, he harbors a deep-seated grudge against those who once bullied and made his life miserable. One day, a housemaid named Han Soo ah finds herself entangled in debt, and she pleads with Kim Jae-sun to help her out, as she has no other option. Unbeknownst to her, her son is one of the individuals who used to bully Kim Jae-sun. Kim Jae-sun's sinister smile as he plots his revenge. Or does the revenge turn into an attraction between the man and the woman?