"A photographer is sailing with his wife, her sister and his nympho-maniacal model. He leaves the three women alone to get a part for his boat. A mysterious man shows up, who might be an escaped criminal the police are searching for. This doesn't alarm the three women too much, and he rapidly seduces all three of them." ... https://www.youtube.com/watch?v=VrHC4tnXOas
"A hooded serial killer finds a novel way to murder his victims--he lashes them to death with a whip. The police try to track him down before any more murders occur."
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https://www.youtube.com/watch?v=Dd2Zfy6-hgM
"Having recently escaped the clutches of a hippie sex cult, a beautiful model is pursued by a serial killer whose previous victims include former occupants of her new apartment."
...
https://www.youtube.com/watch?v=X0U_mnI-Bs4
"A witch maintains herself young by killing all the members of a noble family. But the intervention of the famous journalist Jean Duprey will put an end to her crimes..."
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https://www.youtube.com/watch?v=6FN5CpkeKck
"A magistrate judge and his young beautiful wife are on holiday at a sea-side resort where mysteriously some of the guests and locals are being brutally murdered in the same fashion as several killers the judge had previously sentenced to death."
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https://www.youtube.com/watch?v=aTKEwdTbqP4
"Gonzales, a Spaniard living in Istanbul, reports the disappearance of La Rossa, a beautiful woman living with a mad painter, John Ward. Convinced that Ward has killed her, Gonzales sets out to trap him."
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https://www.youtube.com/watch?v=6xQyiBAbLOY
"A woman searches for her missing lover, a psychiatrist who has suddenly vanished for no apparent reason. She ends up at a villa populated by a group of eccentric individuals. A string of murders commence immediately."
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https://www.youtube.com/watch?v=QPmBie9UZOg
"Louisa is a young and attractive woman who wants to make a living for herself in Rome, but soon falls prey to some very shady characters that force her into prostitution."
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https://www.youtube.com/watch?v=uvIN-tsgV7Y
"After one schoolgirl is raped while taking a short cut through the local woods, and another is murdered in the same woods a few days later, the local police are baffled. With the help of a reporter from one of the local papers, and against the wishes of a psychologist at the local hospital, a young teacher at the school the girls attended uses herself as bait to lure the perpetrator out."
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https://www.youtube.com/watch?v=Si8adtTsWlM