A life-and-death battle between terror and wisdom begins in an abandoned mental hospital shrouded in fog. People with different identities wake up inexplicably, only to be told that they are trapped in a cruel death game. Weird ghosts wander around, and mysterious conspiracies are hidden.
Concept: A number of strangers are involved in a death game in an abandoned mental hospital shrouded in fog, and work together to explore the true meaning of life and humanity amidst strange ghosts, numerous puzzles and deadly challenges.