Detention

In 1962, in a lonely and solemn era, Fang Ruixin, a senior student at Cuihua Middle School, fell in love with her tutor Zhang Minghui. In a family and school full of problems, he is her only way out. Zhang Minghui, who pursues freedom, organized a reading club with teachers and students Yin Cuihan and Wei Zhongting to study banned books. Although they brought a breathing space to the high-pressure campus, they also risked death. One night, Fang Ruixin and Wei Zhongting woke up on campus in a heavy rain. They looked for their teacher together, but found that the campus was gradually separated from the world they were familiar with. In a foreign land where ghosts were rampant, they were forced to face the terrifying truth...