In the kingdom of Kindaor, traitor Sedesmondo kills his brother, the King of Kindaor, and becomes the tyrant of kingdom. He abandons the prince Arminio to beasts in the woods, but lions don't kill him and breed him as one of them.

Guido Renzi and his lawyer friend chase a beautiful girl to return a purse that he lost and after a long drive in the car reach the laboratory of an improvised astrophysicist - the girl's father - who, together with another scientist, is about to take off in the direction of Mars aboard a missile.

Cipriano Duval is an Italian who has emigrated to Paris, where he works in a pediatric clinic as a nurse.

Mastr'Antonio Miciaccio caretaker and shoemaker is devoted to Saint John Beheaded and is trying to find out who has been stealing the oil that keeps the candle to the saint burning. He also does not approve of his daughter's boy friend and he does not want him to marry her.