Lin Yu, a performing arts student at Jiangcheng University of Media, unexpectedly becomes entangled in a mysterious game and acquires the unique profession of Deceiver. As long as someone believes a lie, it may become reality. Faced with players whose identities are shrouded in mystery, layers of rules, and unknown dangers, he turns his acting skills, deductive reasoning, and psychological battles into weapons, repeatedly turning the tables in desperate situations. But when he returns to reality, a countdown to a new game has already begun, and that mysterious junior female student seems to be waiting for him in the shadows.