Furio Bertuccia, a corruptible lawyer who defends lost causes, is hired by the glamorous model Gloria Bianchi to defend her from the alleged murder of her lover.

Claudio Lacroics, a French-born prosecutor, is in Sicily to fight the Mafia. Every day he clashes with the beliefs of a community where the only rules are prejudice and silence. In addition, Claudio has married Lucienne and welcomes his sister Roberta into his home; she returns only to ask for money with her lover Richard.