In 1940s Venice, after twenty years' marriage, retired art critic Nino Rolfe and his younger wife Teresa feel their passion waning. To help her shed her inhibitions and rekindle their relationship, the professor records his sexual fantasies in a diary.
Movie tag line: "TOO HOT for Italian cinemas! Judges close down all theatres screening "THE KEY"!"
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Character: Teresa Rolfe
Character: Nino Rolfe
Character: Laszlo Apony
Character: Lisa Rolfe
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Character: Giulietta
Character: Don Rusetto
Character: Memo Longobardi
Character: The Nurse
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Character: Giustina
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Character: Dr. Fano
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Character: Father Confessor
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Character: Party Guest (uncredited)
Character: Waiter (uncredited)
Character: drunk
Character: student