After witnessing her boyfriend Daniel’s betrayal on her birthday, good girl Katelyn decides to take revenge by entering a fake relationship contract with campus heartthrob Xavier to win a couples contest prize for her family’s debts. As they pretend to be a couple in public, real feelings develop—especially when Xavier, who has secretly loved her since she helped him years ago, supports her behind the scenes. Through contract leaks, rivals’ schemes, and emotional confrontations, Katelyn discovers Xavier’s true identity and their past connection, leading them to tear up the contract and become a real couple.