Business is not good for the Finchley brothers, Herbert and Peter, who own the Flamingo Club in the heart of London's Piccadilly. But out of the gloom comes a brilliant idea: to fix the roulette wheel so that a few selected clients will win a fortune. The resulting publicity, they calculate, will have Londoners fighting to get into the club. Who will be the lucky winners? Harry and his girls are playing the club that week. And the girls are determined to play the tables, despite Harry's warning. Within two nights, the girls have made a fortune and are planning their retirement. Then the brothers switch into the second part of their plan....