A story which delves behind the scenes of an armed robbery to find out the motivations of each of the four participants: American ex-GI Joe (Richard Basehart) wants to bring his British wife to the US, proffesional boxer Mike (Stanley Baker) is unable to work when his hand is broken, American airman Eddie (John Ireland) has deserted when he finds out that his wife has been unfaithful, and aristocrat Rave (Laurence Harvey) needs the money to pay off his wife's gambling debts.