Carabinieri's lieutenant Duilio Cordelli is in charge of investigating fake banknotes traffic. He discovers that a 60 billion lira bank robbery is linked with his case. Things get more complicated when the main suspected, Lorenzini, is killed. Moreover, Cordelli villa is blown up and the evidence points to the conclusion the whole case could be solved only by flying to London.

In 'I due carabinieri', two carabinieri find themselves in the midst of a criminal plot after discovering a murder. As they investigate, they encounter a web of mafia involvement, car chases, and car bombs. Along the way, they encounter unexpected twists and turn, including a marriage and cocaine. Will they be able to solve the case and bring the culprits to justice?