A psychiatric doctor driven to insanity by nightmare visions of Zé do Caixão trying to steal his wife is helped by colleagues who enlist creator José Mojica Marins to convince the patient that he does not exist.
Hallucinations of a Deranged Mind is a 1978 Brazilian horror film directed by José Mojica Marins. Marins is also known by his alter ego Zé do Caixão. The film features Coffin Joe as the central character, although it is not part of the "Coffin Joe trilogy".