There are a number of inheritors to a fortune who are getting killed by a mysterious somebody whom we do not see. Each death is novel, but not terribly graphic. Who did it?

An anthology presents three storylines, all set in the Italian town of Treviso: A husband pretends to be impotent as a cover for having an affair; a bank clerk abandons his wife for his mistress, but the rest of the town's husbands become jealous and unite to conspire against them; and local men all seduce a promiscuous young woman, but when her father eventually reveals that she is underage, they all face prosecution for statutory rape.

A reporter and a promiscuous young woman try to solve a series of child killings in a remote southern Italian town rife with superstition and a distrust of outsiders.

A biography of St. Augustine as he enters the episcopacy and deals with heresy and the decline of the Western Roman Empire.

A scruffy garbage boy becomes the pupil of famed gunfighter Talby, and the stage for confrontation is set when the gunman overruns the boy's town through violence and corruption.

E.C.H.O., a secret organization with a strange name masterminds a bizarre plot to take over the world by dosing important `nerve centers' with super potent LSD. The only man who can stop them is Rex, a secret agent working for an undisclosed organization.

A middle-aged man, married with children, leaves his family to follow a hippy girl. Among the girl's acquaintances there is a boy who is expert in making moccasins and the man tries to exploit him commercially. But the attempt fails and, since he has become jealous of the girl, the man kills the boy and the girl. Then he goes back to his family.