Turi, having returned to Sicily from abroad, learns that his sister Maruzza is the lover of Cosimo Barrese, a militant of the Movement for the Independence of Sicily, who, abandoned by everyone, has become a bandit. The two would like to get married, but life as an outlaw seems an insurmountable obstacle. Turi asks for revenge on the bandit who has dishonored the family and uses a shady and devious lawyer to drive him into a trap.