The play mainly tells the story of a couple, Meng Yun and Aida, who encounter many accidents during the process of getting a marriage certificate. Many of their exes keep appearing and repeatedly obstructing their marriage, which makes them confused and uneasy about their relationship with each other. At the same time, in the midst of emergencies, the two get to know each other better and continue their "adventure of getting a marriage certificate" hand in hand.