Based on Pretty Maids All in a Row by Francis Pollini, this combination of sexploitation, comedy and murder mystery — let’s just call it Giallo — was directed by Roger Vadim from a screenplay by producer Gene Roddenberry.

It was sold on the idea that eight new actresses were making their debut- all young and quite fetching. They were Brenda Sykes (Mandingo, Black Gunn), Joy Bang (Night of the Cobra Woman, Messiah of Evil), Gretchen Burrell (wife of Gram Parsons), Joanna Cameron (Isis), Aimée Eccles (Lovelines), June Fairchild (a member of the Gazzarri Dancers on the syndicated variety show Hollywood A Go-Go; she invented “The Statue Dance” with dancer Mimi Machu; she’s also in Up In Smoke, sniffing Ajam powder), Margaret Markov (Run, Angel, Run; The Hot Box) and Diane Sherry (Lana Lang in Superman).

Further sex sells came from a feature in the April 1970 issue of Playboy, which featured an interview with the director and a nine-page pictorial of stars Angie Dickinson, Burrell, Eccles, Markov and Playboy bunny Joyce Williams, who was also in the film (and Soylent Green). Maybe they should have told the teachers at University High School in West Los Angeles, who would later complain about how dirty — and violent, but this is America, so mostly dirty — the movie was.

Oceanfront High School has seen many of its most beautiful teens killed by a serial killer. Could it be Ponce de Leon Harper (John David Carson), who is surrounded by sexually available women all day and is being driven mad by them? Or football coach and guidance counselor Michael “Tiger” McDrew (Rock Hudson), who has probably slept with all of the school’s best-looking ladies by now? That’s what Detective Sam Surcher (Telly Savales) wants to know.

Tiger and Ponce strike up a friendship, as Tiger wants to get Ponce laid. After all, the kid claims that he has a constant erection. He conspires to set the student up with the new teacher, Betty Smith (Angie Dickinson). As this goes down — literally — more women are being killed every day. I mean, Ponce finds a dead body in the men’s room when all he wants to do is jerk off!

Vadim is well-known for his relationships with Brigitte Bardot and Jane Fonda and his movies. Perhaps having this many good-looking women on set at the same time—Roddenberry was no saint either, having affairs with Nichelle Nichols and Majel Barrett during Star Trek and supposedly harassing several others—just short-circuited his brain.

But hey, despite how all over the place this is, it has Keenan Wynn as a lawman, Roddy McDowall as the principal and Barbara Leigh as Tiger’s wife. Hudson plays his role well, a man who has won so many times that he starts to think that he can kill and escape the law. Maybe he does. James Doohan even shows up, getting a role from his old boss as one of Savales’ assistant detectives.

Quentin Tarantino included this in the 2012 Sight & Sound poll of the best movies of all time. I wouldn’t go that far, but it’s the type of movie that isn’t good, but is definitely entertaining.