Following the death of her wealthy husband, American widow Kathryn West migrates to Italy and takes up a reclusive existence in a luxurious villa. After quickly succumbing to the charms of a local man, she lets him move into the villa and the two are later joined by his sister, which soon leads to complications.
You can now watch Paranoia online on the following streaming providers in the United States.
| Directing | Umberto Lenzi | Director |
| Writing | Marie Claire Solleville | Writer |
| Writing | Umberto Lenzi | Writer |
| Writing | Ugo Moretti | Writer |
| Production | Salvatore Alabiso | Producer |
| Camera | Guglielmo Mancori | Director of Photography |
| Editing | Enzo Alabiso | Editor |
| Sound | Piero Umiliani | Original Music Composer |
| Art | Giorgio Bertolini | Art Direction |
