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.
Lee is a fresh young kid from the South when he gets a job with The Press. His first assignment on gangsters gets his name in the paper, the police on a raid and Lee in the hospital.
When a criminal named King Fu who has terrorized a city substitutes himself for a stage actor who resembles him, the staff and spectators at that night's show think the actor is giving an unusually good performance.