Sharon and Tracey are working at a casino, Tracey is a croupier and Sharon is cleaning the toilets. The girls agree to take part in a publicity stunt in which Sharon 'appears' to win a million pounds. The sisters are unaware that they have been set up as thieves by the corrupt casino broker, Davey Cooper, who is in league with a bent cop. The plan is that the girls get the blame and are arrested whilst Cooper pockets the millions. Sharon and Tracey go on the run, helped by their cousin Dawn, who is getting married, culminating in a chase where Sharon, Tracey, and Dorien - who just happens to have slept with Davey - are taken hostage but pull together to clear their names.