Five years ago, Su Qianqian was forced to leave her lover, Li Jingzhou, after his mother claimed their八字 (Bazi) were incompatible—and just as Li Jingzhou fell into a coma following a car accident, she quietly departed to protect him, raising their son Xiao Li alone. Five years later, Xiao Li is diagnosed with leukemia. Desperate to save her son, Su Qianqian reunites with the now-powerful business tycoon Li Jingzhou at a nightclub.