This heartwarming story follows a left-behind child from a mountain village whose pure and resilient soul wins the devoted protection of the male lead. In her previous life, Li Xiaoya was cherished by the male lead's family after participating in Exchange Lives, a reality show in which children from cities and the countryside swap lives. Li Qingqing, a girl from the same village, is reborn and secures the spot on Exchange Lives, traveling far away to Haishi. However, before the show begins, Li Xiaoya unexpectedly meets Sheng Yuxiao, setting a series of events in motion.