Insurance agent Elliott Davis (Günther Brandl) checks into the isolated Desdemona Hotel for a single night, expecting a quiet evening of rest. Instead, his stay quickly descends into a surreal nightmare as he becomes trapped in a series of disturbing, hallucinatory visions and psychological traps. As the boundary between reality and hallucination dissolves, Elliott must navigate the dark corridors of the hotel and the depths of his own mind to survive the night and uncover the sinister nature of his surroundings.