拳击大赛决赛即将开始,晓峰为实现职业拳手的梦想而专心备战,渴望通过比赛赢得奖金。与此同时,莎莎一心想要 pursuing a career in entertainment but faces opposition from her father, who disapproves of her aspirations. Defying her father's wishes, she decides to run away from home. However, before she can leave, she encounters a strange incident at school where she and晓峰 are accidentally swapped into each other's bodies by a meddling character known as the "transforming maniac." This unexpected twist forces the two, who are already rivals and adversaries, to navigate each other's lives.莎莎, now in晓峰's body, finds herself thrust into the world of professional boxing, while晓峰, now in莎莎's body, must deal with the challenges of auditioning for the talent show and navigating the social dynamics of her world. To make matters more complicated, they are forced to pretend to be a couple and even live together as fake roommates. This arrangement leads them to meet each other's families and face various comedic yet challenging situations as they struggle to adapt to their swapped lives. Along the way, they encounter numerous laugh-filled mishaps and must find a way to return to their rightful bodies while pursuing their individual dreams. The story explores whether the experience of being in each other's shoes will bring them closer or push them further apart, and what their relationship will evolve into in the end.