Cassio, a tourist guide, and Primo, his bus driver, are taking a bus load of tourists to visit villa Jovis, at Capri island. Then they have an accident, and they knock their heads hard, losing conscience. They come awake in the times of the Roman Empire in Tiberius' villa.

Roberto Biasetti and a friend are unjustly sentenced to sixteen years in prison for murder. The true perpetrator of the crime is a man named Maremmano, who happens to be in the same cell. Released after a partial pardon, he feels indebted to the two men and to Roberto's girlfriend. He returns to prison and confesses his guilt.

Adolfo Cocchi has a building firm but his plan to build a set of buildings is been stopped by an old former Garibaldian, Don Leopoldo, who refuses to sell his property. A group of young people go to his house to play and sing. Marcella, Cocchi's daughter, who has a beautiful voice, goes to visit Leopoldo and falls in love with Paolo. They have an idea: open a night-club called "Io bacio... tu baci"...

Pablo, Domingo and Jose, three idiots, gunmen exchanged for large liberate a village in the republic of "Nonduras" from the oppression of dictator Bonarios. Parody of The Magnificent Seven, five writers got together for an anemic script that exploits a repertoire mixture with the song "A man alive"by Gino Paoli.

Paolo, a youth, associates with very dubious characters and shirks work but all in all he is a good guy. Will he mend his own ways?

Adelaide takes possession of an island in the Pacific inherited from her deceased husband. She is opposed by the chieftain and a convict. To get the island's citizenship she tries to marry the convict, but he prefers to turn himself in.

Aldo, Vasco and "Smilzo" (Slim) are friends. They live with their parents and are training for boxing. But their real interest is in women. When casually Aldo meets Laura and falls for her. Will he succeed in winning her love?

When a promising record company president is arrested, his daughter takes over his company to promote her own rock and roll music by promoting various young singers.

Follows the adventures of a group of friends, teddy boys and rock and roll chicks whose crazy, fun-loving habits inspire jiving from some of Rome's citizens, and bitter complants from others which inspire a group of corrupt officials determined to a bring the group down.