After witnessing his wife get brutally murdered by the Devil, kindhearted Harrison Abbot is pinned with the crime. His alibi and recollection of the horrific events bring about questions of his sanity, and despite his protests, he is placed in the custody of a mental hospital for evaluation. The murders, however, do not end with his beloved wife Gladys. The trail of blood follows Harrison through the doors of this new house of insanity, and accompanying...