A police inspector is called to Milan to investigate a murder case since he grew up in the same ghetto as the suspect.

While keeping an eye on his small time crook brother in law, Inspector Nico Giraldi gets involved in a murder case set in the world of Formula One racing. Giraldi is suspended for trying to cover up for his brother in law and becomes afraid his wife and son may be targeted next. Therefore he calls in the help of his childhood friend and chief informant, Venticello.

Undercover cop Nico Giraldi is once again transformed, now as a trucker in a criminal gang.

A gang of thieves are robbing luxury apartments in Rome, but after emptying the villa of the wealthy Mr. Douglas, the thieves are beginning to die.