Unemployed Xu Youzhi kisses CEO Lin Yi in a bar for a cash reward, and their fates become intertwined. She moves into the Lin family home with her mother and becomes Lin Yi's personal assistant. For years, Lin Yi has been searching for the childhood companion known as Qingqing, who once comforted him. He is initially deceived by Su Qing, who falsely claims to be Qingqing, but later discovers by chance that Xu Youzhi is the girl he has been searching for. Meanwhile, Xu Youzhi's biological father, Zhang Ming, shows up to extort money from her, while Su Qing repeatedly schemes to drive a wedge between the couple. A mix-up over a paternity test further strains their relationship. Once the misunderstandings are cleared up, the two confess their feelings. Just as Xu Youzhi's mother falls in love with Lin Yi's younger uncle, the couple set aside their concerns and finally get together. The villains suffer the consequences of their own actions, and the happy couple successfully registers their marriage.