Tomas Milian als der Superbulle Nico Giraldi.
In the anti-theft team, Giraldi Marshal deals with criminals who commit thefts in apartments or steal cars. Among these is a band to which it belongs Blinds, a little thief inclined to confess things, Zagaja, a stutterer thief, and the Sicilians Rosario and Salvatore Trapani. Performed the theft in the villa of an American (former CIA), the thieves come into possession of documents about a system of bribes concerning some important personalities in the United States, the Deal Zebra Point.
Rome, Italy early 1980s. Nico Giraldi (Tomas Milian) is transformed after many other adventures, in a trucker to sneak in a band that performs raids at the expense of TIR.
Durante una corsa all'autodromo di Monza, un pilota perde il controllo della sua auto e va a sbandare, morendo sul colpo. Sembrerebbe un tragico incidente, ma il commissario Trentini affida il caso all'ispettore Nico Giraldi che, dopo aver interrogato tutti i sospettati, si infiltra nell'ambiente delle gare automobilistiche facendosi aiutare dal suo amico Venticello ed incomincia ad indagare...
Rome, Italy early 1980s. A guy who worked at the Blue Gay, a transvestite cabaret, is found murdered, strangled. Marshal Nico Giraldi (Tomas Milian) is responsible for investigating, infiltrating in the Roman Gay community.