Determined to kill his wife's lover, a middle-class accountant attempts to purchase a .38 from an inner-city crackhead, unaware the gun actually belongs to a psychotic drug lord who'd kill to get his weapon back.
A Wheeler dealer likeable rogue gets lumbered with his girlfriends younger brother who's come down from Liverpool to London. After initially finding the lad and the task of looking after him a huge inconvenience he subsequently discovers that the young scouse is a master snooker player and seeing a world of potential opportunity in this, strokes up a partnership that evolves into brotherhood.