Hitman (2003)

Marcus Preston, A.K.A Hitman, works for the Plymouth crime syndicate known only as 'The Boss'. When rival crime boss, Tom Dalton, is involved in the death of Hitman's wife, it becomes a personal vendetta of revenge for Hitman, which his boss does not want him to act on. Hitman crosses the line of no return and has a personal war against Dalton's crew, his boss, and his own family.