Five-year-old boy Xu Xiaoman possesses a special ability, able to see the lie monsters emerging on the shoulders of liars. Father Xu Xiangdong is framed by factory supervisor Zhao Desheng for misappropriating public funds and has his wages arbitrarily withheld. Xiaoman's family confronts workplace lies head-on, joins forces with factory director Gu Qinghe, retrieves surveillance footage, checks documents, and exposes the heavy conspiracies of Zhao Desheng, Luo Huiqin and others in lying, shifting blame, and tampering with accounts.