Annabella, a regular college student, faces a unique predicament – marrying Mark, the heir to a powerful mafia group, to settle family debts. To secure her freedom, she must live with Mark for 30 days without falling in love. Mark, a mysterious but attractive man, lays down four rules, and breaking them means he can claim a part of Annabella’s body. Amidst rule-breaking, Annabella discovers unexpected pleasures in the complexities of their arrangement. In the process of breaking the rules over and over again, Annabella reaped pleasures she had never experienced before.