A neurosurgeon's obsessive research and neglect of his wife lead to her infidelity, prompting him to orchestrate a twisted plan for revenge by manipulating an amnesiac patient to believe his wife is cheating on him.

Info about Someone Behind the Door
Studio(s): SNC, Comacico
Originally Released: United States, Jul 28, 1971
Production Countries: France, Italy
Someone Behind the Door: Where to Watch Online in Australia?
At the present time, viewers have the opportunity to enjoy "Someone Behind the Door" completely free of charge, though with occasional advertisements, on the following streaming platforms: Tubi TV, Plex.