Two years after graduation, the fate of many people has changed drastically. Graphic model Lin Xi (played by Zhou Qiqi) once knew and fell in love with her college boyfriend Gao Yifeng (played by Jiro Wang), but now she has become the girlfriend of the bachelor Song Bing, living a life of luxury. One day, she met her old classmate Zhuge Qin (played by Jiang Jing) and learned that Qinqin decided to hold a class reunion in the near future. On the day of the party, Qinqin and her boyfriend Qian Jin (played by Li Yilang), Tang Yun (played by Shen Xinong) and Gao Yifeng all arrived. Not long after she sat down, Lin Xi felt dizzy, and then encountered a terrifying incident in the bathroom. When she woke up again, she found herself and her classmates imprisoned in a gloomy and terrifying closed place. Bloody hunting, evil karma that cannot be abandoned, surging towards these young people...