In order to resolve a crisis, two prominent names in the real estate industry agree to get engaged for 99 days - one is the domineering female CEO and the other merely a puppet executive.

Gu Ling Se is the head of Dingzhuang Group. Ye Cheng Shu is the figurehead of Weilai Group. Out of commercial interests, the two young executives enter into a contract engagement. Quan has been pursuing Gu Ling Se yet mistakenly plays cupid when his actions lead to a kiss between Ye Cheng Shu and Gu Ling Se.

Soon enough, what was purely business has turned into a real romance. Just when everything seemed to be going well, Ye Cheng Shu's good friend Jiang Han reveals his wild ambition. Can the "president-in-training" and his "hardcore" wife save the family business?

Fashion buyer Gu Xixi bought Alex's couture wedding dresses for her clients. During a private reception, she got acquainted with Yin Sichen, the black-bellied president who came to discuss business cooperation with Alex. An incident occured leading to the two people to temporarily maintain a contract cooperative relationship for a win-win situation pertaining to Alex. The two with opposite personalities gradually found love in this contract marriage. Adapted from novel "Flash Marriage CEO's Contract Wife" by Xiang Wang.