Advertising company co-workers Chao Yang and Zi Hong have been dating for over a year, with marriage in mind. When a client requests a livestream of their reunion dinner to promote his products, the couple realizes that neither has met the other's family. Zi Hong is excited to finally meet Chao Yang's mother, unaware of the latter's estranged relationship with his mother. Embarrassed by his mother Yan Ling's occupation as a mama-san, Chao Yang decides to engage the help of a friend, Wei, to "rent-a-family," resulting in a series of mishaps and hilarity. The carefully constructed sham falls to pieces when the lie is eventually exposed over the reunion dinner on livestream. Will Chao Yang be able to repair the broken relationship with his mother and reconcile his differences with Zi Hong?