On her wedding day, heiress Chloe is dumped by her fiancé Liam and betrayed by her half-sister Mia. In a panic, she marries Julian, whom she mistakes for a nobody. But Julian is actually a secret billionaire who controls a top medical empire. As a contract husband, he quietly protects Chloe while she fights to save her family company. Liam and Mia constantly scheme against her, but Julian uses his hidden power to crush every plot. When his true identity is finally revealed, Chloe realizes all his help came from genuine love. She takes back her company, her enemies are destroyed, and the contract couple becomes a real one.
