Robert McCall finds himself at home in Southern Italy but he discovers his friends are under the control of local crime bosses. As events turn deadly, McCall knows what he has to do: become his friends' protector by taking on the mafia.
When his destituite widowed sister-in-law—whom he had never stopped harbouring feelings for—and her ne'er-do-well son come to live with him after World War II, a mentally-ill farmer who spends all his time destroying unexploded ordnance scattered across the countryside finds a new purpose in his lonely life.
In 1863, Amsterdam Vallon returns to the Five Points of America to seek vengeance against the psychotic gangland kingpin, Bill the Butcher, who murdered his father years earlier. With an eager pickpocket by his side and a whole new army, Vallon fights his way to seek vengeance on the Butcher and restore peace in the area.
Two linen fabric dealers with their shops close to one another, battle against each other for more and more costumers. Umberto constantly loses clients because of the tough competition brought by Leone, who offers the best prices in the neighborhood. But they leave differences aside when the rise of Fascism places Anti-Semitic politics which rigidly control business like the one conducted by the Jewish Leone, and those new regulations are viewed by Umberto as completely unfair. The long rivalry soon becomes a great friendship.
Carabinieri's lieutenant Duilio Cordelli is in charge of investigating fake banknotes traffic. He discovers that a 60 billion lira bank robbery is linked with his case. Things get more complicated when the main suspected, Lorenzini, is killed. Moreover, Cordelli villa is blown up and the evidence points to the conclusion the whole case could be solved only by flying to London.