Ordinary middle‑aged man Lin Yi spends all his savings on a school‑district apartment to secure his daughter’s school admission. When he goes to register, he finds the school quota has been seized by someone else. Refusing to yield, he embarks on a quest for justice with wit and courage. During his investigation, he uncovers dark secrets behind the wrongdoers. Teaming up with his close friends, he exposes the truth, eventually regaining his rights and bringing the culprits to justice.