Odkedy sa Robert McCall vzdal života v elitnej špeciálnej jednotke, snaží sa odčiniť strašné veci, ktorých sa v minulosti dopustil, a nachádza zvláštnu útechu v službe spravodlivosti v mene utláčaných. Keď sa prekvapivo udomácni v južnom Taliansku, zistí, že jeho novým priateľom strpčujú život miestni zločineckí bossovia. Udalosti však naberú smrteľný spád a McCall vie, čo musí urobiť: stať sa ochrancom svojich priateľov a postaviť sa proti mafii.

Milan, Italy, 1967. Santo Russo, a boy of Calabrian origin, arrives north with his parents and younger brother to find better living conditions. Due to an absurd misunderstanding and his father's contempt, Santo ends up in prison, where he gets a “true education.” In 1978, he and his friends Slim and Mario embark on a 15-year criminal career, a successful and ruthless spiral of robberies, kidnappings, murders and heroin smuggling.

When a shipment of heroin disappears between Italy and New York, a small-time pimp in Milan is framed for the theft. Two professional hitmen are dispatched from New York to find him, but the real thieves want to get rid of him before the New York killers get to him to eliminate any chance of them finding out he's the wrong man.

A young priest crusades against organized crime in his Naples neighbourhood but falls in love with a 13-year-old boy. It's the chance the gangsters were waiting for to get rid of the thorn in their side. Will they be able to force the boy to accuse the priest of sexual harassment and have his reputation destroyed?

The story of one of the most powerful Mob bosses of all time, Salvatore “Totò” Riina. After becoming the head of the Corleonesi family in 1974, he came to dominate Italian organised crime through a ruthless campaign of violence and terror that continued even after his eventual arrest and imprisonment.

The Ndrangheta is the most powerful branch of the mafia which has a stranglehold on Southern Italy.