Rising novelist Anna randomly marries a stranger at court to escape a family business alliance. The stranger is actually Vincent, her intended match and the head of a publishing group. They begin a contractual cohabitation. After joining his company, Anna faces a supervisor stealing her manuscripts and client harassment. Vincent silently protects her as their childhood connection surfaces. Anna publicly exposes the villains and reconciles with her father. She and Vincent untangle the identity deception, tear up the contract, and make a new vow of true love by the Chicago lakeside.