The Boss
Il boss (original)
Final part of Fernando Di Leo's crime noir Milieu Trilogy, also consisting of Caliber 9 and La Mala Ordina. Based largely on real people and actual events, a bomb attack in a cinema of Palermo kills each and every member of a powerful mafia family - except one, who eventually engineers a revenge plot made of kidnapping and murders. A violent power struggle within the Mafia ensues.
Starring Henry Silva, Richard Conte, Gianni Garko, Antonia Santilli, Corrado Gaipa, Marino Masé, Howard Ross, Claudio Nicastro, Gianni Musy, Mario Pisu
It's a action & adventure and crime movie, and has a rating of 6.9 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Singapore.