A young Corsican is obliged by a tradition of vendetta for his late father, to kill the uncle of a girl he loves, because that man was the murderer. His search for vengeance leads to being pursued by the police and a tragic fate.
Young Al Capone catches the eye of Johnny Torrio, a criminal visiting New York from Chicago. Torrio invites Capone to move to Illinois to help run his Prohibition-era alcohol sales operation.
The gypsy Azucena (Fiorenza Cossotto) takes revenge for her mother who was accused of putting a curse on one of the old Count di Luna's two sons: she decides to abduct the younger child and throw it in the flames.
A father shoots his son dead because, lured by the offer of a watch, he revealed to the police where his father had hidden smugglers who had come to ask for his hospitality.
A truck driver "too lazy to work and too nervous to steal" gets mixed up in racketeering. Naturally his underhanded business practices make him a pillar of the community.
A smart young manicurist works in a hotel where she earns big money by tricking businessmen by persuading them to do certain deals where she has a commission.
Wallingford is a con-man whose specialty is taking money from suckers. His partners are Schnozzle, a pickpocket and car thief; and Blackie, who has played the game for years.