Gu Xi Xi is a fashion shopper, who runs a small online shop from home, and buys Alex's couture wedding dresses for her clients. During a private reception, she gets acquainted with Yin Si Chen, the black-bellied president who came to discuss business cooperation with Alex. An incident occurs leading to them to temporarily maintain a contract cooperative marriage relationship for a win-win situation pertaining to Alex. The two with opposite personalities gradually find love in this contract marriage.