Kerwin Matthews, playing a dissolute drifter down on his luck, Jeff Farrell, is stranded in a cheap bar in France where he falls for Annette, the proprietor's pretty stepdaughter, played by Liliane Brousse. Annette's stepmother Eve, played by Nadia Gray, gradually shifts the young man's attentions to herself, rather than her stepdaughter, and together Eve and Jeff concoct a plot to help free Eve's estranged husband from the institution in which he's been confined as a homicidal maniac these past four years after committing the so-called "Acetylene Murder", when he killed with a blowtorch the man who raped Annette.
In this stylish and offbeat black comedy, Benito ( Jerry Calà) keeps a diary of his sexual fantasies and cravings. As a result of his on-again, off-again relationship with the beautiful and insatiable Luigia (Sabrina Ferilli), his thoughts along these lines have grown increasingly bizarre. For his own part, he is driven to pick up and bed women at almost every opportunity. As the fantasies recorded in his diary consume more and more of his life, and grow darker and darker, his ordinary waking life becomes flatter and duller, until he disappears altogether.
A couple, lost in thick fog, take refuge in an old mansion next to a cemetery. Strange things start to happen.
A young architect plans to design a building after the perfect breast and searches for a woman who bears the right model all over London.
A psychotic man, troubled by his childhood abuse, loose in NYC, kills young women and takes their scalps as trophies. Will he find the perfect woman in photographer Anna, and end his killing spree?