Cheng agrees to an arranged marriage with eighteen-year-old Yoyo to please his mother and grandmother, while Yoyo sees him for his wealth. They make a deal to have no sex and to divorce in a year.

My Sassy Husband follows Yoyo Ma and Thirteen Cheung’s union 10 years later to present day where they are experiencing marital problems. After they realize that their wedding ceremony held in London is not considered official in Hong Kong, they decide to part ways in search of their real love. While Yoyo and Thirteen both start dating new prospects, will they end up back together?