Kind-hearted Isabella always believed that being useful meant being loved. On the night she planned to propose to her boyfriend, she catches him cheating with her boss. Heartbroken and drunk, she stumbles into the hotel room of Owen—her company's cold, wealthy CEO, who's been drugged in a business trap. One night leaves her pregnant, binding two strangers in a marriage of convenience. What starts as distrust slowly becomes real. But when Owen's glamorous ex Lisa returns, she fuels Isabella's insecurities, convincing her she'll never truly have his heart. After a devastating accident, Owen believes their baby has died—while Isabella disappears with their son. Five years later, a stronger Isabella returns. Owen discovers the truth: she kept his child from him. Forced back into each other's lives, they must face old wounds, buried feelings, and Lisa's schemes—before they can finally choose love and become the family they were always meant to be.