When wistful introvert Alan Furnace meets quickwitted bomb shell Beatrice, he has no idea of her secret life as"B. Monkey" -- the very best thief-for-hire at London's criminal underworld. Charmed by Furnace's innocent and chivalrous approaches, Beatrice resolves into reform. But to profit on her first chance at real love, she must escape the ruthless Paul Neville her former partner in crime -- and also also a shadowy past which seems to haunt her every measure.