Ex-pat Sir Percy de Courcy feels dejected. In a cunning wheeze to make some much-needed money, he's bought 100,000 gallons of local wine, hoping to sell it at a vast profit. Unfortunately, even Sir Percy has to admit the wine tastes foul and, when he asks his chauffeur to 'improve' the taste, a certain local ingredient finds its way into the bottles, turning it into a potent aphrodisiac.