Using interviews and filmed reconstructions, the director analyzes eroticism from the period of breastfeeding, in which the newborn feels pleasure from contact with the mother's breast until reaching adulthood.

Adventurer Clint travels across Borneo with a bunch of rogues and geologists on the search for a diamond mine. In the middle of the jungle, they meet a beautiful woman called Samoa. Hardly a surprise that Clint falls in love with Samoa, but trouble with the natives begins when the diamonds are found because diamonds are holy stones to them.

Professor Ricardo Rossi is an uncompromising moralist and a paladin of Catholic morals. He is understandably baffled when he finds his wife Elisa in bed with another woman (whom Rossi mistakens for a man). Furious, he poisons his wife and throws her body into a lake, then brings home a prostitute, Eva, to replace her. He also begins an affair with his niece Barbara. But Elisa is not dead, as Rossi soon finds and she is plotting with Eva to get rid of him. Rossi is more precise this time and shoots the two women dead. However, there is a complication and more deaths ensue...