Flatfoot

In Naples the Inspector Rizzo, nicknamed "Flatfoot", defeats a gang of drug traffickers. The criminals, from Marseille, were peddling drugs using frozen fish, but Flatfoot has managed to arrest them, with the help of a boss of the Neapolitan underworld, called Manomozza (snipped hand). After the arrest however, Flatfoot discovers that Manomozza did the double game and now intends to forge an alliance with the traffickers "Marseilles". Flatfoot, thanks to the tip from a friend, finds the place and time of the meeting between drug dealers, subdues them and sends everyone to jail.

Piedone (Bigfoot) Rizzo is accused of drugs trafficking. In order to clear his name he has to find out who is the person, from a Mafia ring, who has infiltrated his police department.

Commissary Rizzo in Napoli gets a message from a policeman from South Africa who wants to meet him. Immediatlz before this meeting the south African policeman is killed. Dying he shows Rizzo a picture of his little son Bodo. Riyyo travels to Johannesburg to find out what the policeman was working on and to find Bodo.

Police Commissioner Rizzo, Bigfoot (Piedone by nickname) and Marshal Caputo go to Egypt and look for Professor Cerullo, who is missing. The professor has discovered an insect that can smell where oil is and lots of criminals are interested in it.