Salvo and Valentino are two happy Sicilian friends, who do not want to work, because they know that if they find a permanent job, their girlfriends will ask them to marry them.

6th January 1975, in an infant nursery in Palermo (Italy), for a mysterious reason, a male nurse exchanges the labels of baby number 7 and 8. Thirty-one years later Tommaso (7) and Daniele (8) meet each other by accident.

Two cousins haven't spoken for almost twenty years, thanks to the enmity that their fathers feel toward one another. But an accident suddenly brings the cousins back together and thrusts them deep into the heart of the mafia.