Food delivery worker Xu Fan is betrayed by his girlfriend Zhao Xiaonian but accidentally saves Ruan Xi, the president of the Black Dragon Commerce Association. The two gradually fall in love. Xu Fan hides his identity as a wealthy heir, while Ruan Xi fiercely protects him. They join forces against enemies like Cao Yilong and Luo Chen. After various confrontations at reunions, banquets, and family revelations, Xu Fan inherits his family fortune and Ruan Xi resolves her crisis. They eventually marry and discover she is pregnant.
