The Exeter Sanatorium, established a hundred years ago, once admitted many adolescents with mental disorders. Since then, the number of patients admitted to the hospital has gradually increased, while the medical conditions have deteriorated, and even scandals of adolescents being abused to death have continued to break out. Today, the sanatorium has long been abandoned, but rumors of hauntings are spreading more and more fiercely, of course, this cannot scare off those thrill-seeking and daring young people. One day, Patrick (Kelly Blatz) and his friends Rory (Michael Ormsby) and Knowles went to the sanatorium to attend a carnival party held here. The young people were having fun and getting what they needed. After a night of revelry, the young people who gradually woke up from alcohol anesthesia chatted and farted. Later, everyone challenged the taboo and held a soul-calling ceremony, and saw a supernatural scene. Not long after, Rory seemed to be possessed by a demon and was violent and fierce, and even more terrifying experiences were waiting behind...