Ricatto alla mala was released in the year 1972。Ricatto alla mala is also called as Verano para matar, Un, Meurtres au soleil, Kosto mafialle, Kostajan menneisyys, Hämnd på maffian, Summertime Killer。

A six-year-old boy witnesses mobsters beat his father to death. Twenty years later, the now-grown boy begins to track down and eliminate the men who did it, determined to wipe out the entire gang. A police detective investigating the killings, and the Mafia boss who heads the gang, are just as determined to stop him.

Ricatto alla mala actors and actresses include Claudine Auger, Karl Malden, Olivia Hussey。