Faced with her parents’ massive gambling debts, college student Iris signs a one-year marriage contract with cold billionaire Damian to pay off the debt. She soon finds she is merely a lookalike substitute for Damian’s supposedly dead fiancée Lillian. Torn between lingering obsession and genuine affection, Damian struggles with his feelings, while his scheming brother exploits Iris to seize power. Shockingly, Lillian returns alive and seeks revenge. Amid chaos, Damian abandons his old love and confesses his love for Iris. Breaking free from the substitute identity, Iris resolves family troubles, stabilizes the group, and stays by Damian’s side as his true lover.
