A meek, lowly employee at a London brokerage firm sees his life change when he's suspected of being a notorious womanizer.

A falling-out between thieves over the proceeds of a stickup results in several deaths and a priest being marked for murder because of a confession he receives from one of the gang members.

A jeweller is killed in a gang robbery leaving the daughter as the only witness. When the police can't build a case against him she decides to go undercover to infiltrate the home of the killer's brother. Slowly she is drawn into the world of the rival gangs.