This film is adapted from a true story in Italy. In the early 1980s, the gang leader Tomasso Buscetta moved from Italy to Brazil. However, his brother and children in Italy were killed by gangs one after another. In order to punish the murderer, he began to cooperate with the Italian police. With the continuous efforts of both parties, Tomasso Buscetta not only caught the mastermind behind the murder of his relatives, but also uprooted the intricate gangs in Italy...