TV producer Jerry Halford collaborated with the confident young man Lance Preston (Sean Rogers) to produce a supernatural documentary program called "Graveyard Encounters". He claimed that he had encountered supernatural phenomena when he was young, so he has long been committed to revealing the true face of the soul. This time, he and his team came to a hospital built in 1893-Collingwood Mental Hospital, which had admitted thousands of patients and was forced to close in 1963 due to haunting. Lance's team decided to lock themselves in the hospital for 8 hours and look for clues of ghosts through cameras and other high-precision instruments. In order to create a horror atmosphere, Lance did not hesitate to falsify, but he soon discovered that there was really something in this hospital, and they would face the most terrifying and difficult sleepless night...