Omar Shariff is the son of Mustafa, a prominent textile businessman of Syrian origin who has already died. Omar unintentionally inherits the activity of his father, the underground business. With Chicho Mastrogiuseppe they did business that Omar never knew clearly what they were. The gangster trio is completed with Moses Svarsky, a lifelong rival. The three families, from different origins Italian Christian, Muslim Arab and Jewish will relate to each other.