Jack Diamond and his sickly brother arrive in prohibition New York as jewellery thieves. After a spell in jail the coldly ambitious Diamond hits on the idea of stealing from thieves himself, and sets about getting close to gangster boss Arnold Rothstein to move in on his booze, girls, gambling, and drugs operations. Written by Jeremy Perkins

In the 20's, the ambitious smalltime thief Jack Diamond and his sick brother Eddie Diamond arrive in New York. Jack meets the dance teacher Alice Shiffer and uses dirty tricks to date her and steal a necklace in a jewelry store. After spending a period in prison, he asks Alice to work with her in the dance school during his probation. Then he decides to work as bodyguard of the powerful gangster lord Arnold Rothstein that dubs him Legs, with the intention of stealing his illegal business of bootleg, drugs and gambling. When Arnold is murdered, Legs Diamond sells protection to the gangs. When he travels to Europe with Alice on vacation, he sees in the news the changes in New York underworld with the National Prohibition Act and returns, finding a different city that he does not understand. Written by Claudio Carvalho, Rio de Janeiro, Brazil