Archie is invited to play poker with millionaire Felix Cornell after arranging the security for a charity fashion show given by Felix's trophy wife Eve. Inevitably he loses and must hand over a Porsche he is 'minding' for a thuggish friend, due to arrive in London in a few days. He passes Jamie, a good car player, off as Mr. De Lisle for a return game at the Cornells' mansion. The game begins badly but certain revelations lead to Eve saving the day for Archie and Jamie.