Experienced NYPD detective John Harris is sent to London to help a local task force investigate a series of killings organized by a new player in town, an American gangster. Harris uses a teen wronged by gangsters to get to him.

The London police is having trouble with organized crime commited by juvenile delinquents. Their leader is an American who is an expert at turning young men into ruthless gangsters. American cop John Harris is asked to help the London police to break up the organization.—Mattias Pettersson <[email protected]>