A group of ultras of Associazione Sportiva Roma leaves to Turin, where the guys have to play the game of Juventus F.C.. The Romans are greeted with stones by enemies, and the leader of the extremist group: Er Prince, orders his followers to stab the fans of Juventus. The two opposing factions are arrested and are forced to tell the facts to the superintendent. Meanwhile, in the stadium of Juventus, the remaining ultras are locked in a brawl between their enemies with exaggerated stabbings and stones.