Zoe Zou and her classmate Li Shiyu swap identities. Li Shiyu takes over Zoe's position, enjoying her honors, privileged life, and direct college admission spot, but endures harsh education from Zoe's birth family. Zoe moves into an ordinary family, with Li Shiyu's parents, she catches up on studies. The two experience challenges in their swapped lives, reaching different outcomes: Zoe gains warm family affection and finds her true life path.