Experienced N.Y. police detective John Harris is sent to London to help a local task force investigate a series of gangster killings organized by a new player in town - an American. Harris uses a teen wronged by gangsters to get to him.
In a dreary North London flat, the site of perpetual psychological warfare, a philosophy professor visits his family after a nine-year absence, and introduces the four men, father, uncle, and two brothers, to his wife.