Marked (2014)

James is an American who lives in the UK with his British wife and daughter. He works in a DIY shop but loses his job during cuts in staff. His neighbour Brian is very upset one night and he tells James that Steve slept with his wife in their bed he bought when they married. He offers James money to murder Steve. He accepts the job but James receives the surprise of his life when he breaks into Steve's house to kill him.