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.

An exploration of the relationships and identities of Marco and Andrea, 2 twins who look identical but approach life in a very different way. The twins begin a journey of discovery and transition from what they should be to what they want to be, which will also involve their group of friends, all united by the search for their place in the world.