Lemmy Caution has been assigned by Interpol to work as a double agent. Little does he know how many spies are on to this deception and how dangerous his assignment has become.

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"...

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.

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.

A mad scientist pursues a man hoping to study his brain.

Marco and Luciana are married and in love, but the passion of Marco for football distract him, and make him impossible to keep a job for a long time: that's why the young couple keeps arguing.

A man who was injured in an accident has a visitor in his hospital. The visitor suggests a strange deal.

A psychiatric-clinic medical director runs some tests on two patients, the Ragionier Antonio Vignanelli and Cavalier Peppino Caprioli, so they must retrieve some memories of family life in order to understand their mental illness.

The fake private detective Mike Spillone is hired by two old ladies to find out if Brigitte, the wife of their nephew Otello Bellomo, has a lover. Brigitte is a physician but the two aunts are unaware of the fact. While investigating, Mike and his assistant Johnny discover Brigitte with a prospective patient, the marquis De Vitti who was shot by the husband of the woman he tried to seduce. Afterwards Spillone finds her with her husband who he believes to be her lover.

In the summer, while their wives and children are away, four men try to enjoy their free time.

Emma and Lucia grow up together in an orphanage and remain friends throughout adulthood. When Emma has to work away from home, she entrusts her daughter to Lucia. When she receives word that her daughter has died, she is desolate - but whose child did, actually, pass away?

Based on real events, in Rome a lawyer is not sure whether to accept defending a lower-class worker wrongly accused of the murder of his girlfriend.

Marco, returning home to Livorno after having spent eight years in prison, finds his wife Giovanna married to another man, who the son believes is his real father. He decides to commit suicide but then he meets Elisa, who dissuades him and he begins to live with her and her father.

Count Borraccilo lives in luxury but does not pay taxes and for this he is targeted by the tax agent Gaetano Pellecchia, who asks his friend Mario for help.