Carlo Demirco is the only man in the world who knows how to make ice cream. As confectioner to Louis XIV, his talents are kept a closely guarded secret and his dishes served up for the King's pleasure only. But Carlo has fallen hopelessly in love with Louise de Keroualle, an impoverished lady-in-waiting to Henrietta d'Angleterre, sister of Charles II of England. When Henrietta dies suddenly, Louise and Carlo's lives are changed irrevocably when they are sent to London.
It quickly becomes clear that Charles II wants Louise as his mistress. There ensues a famous rivalry between Louise and the king's other mistress, the cockney actress Nell Gwyn. But Carlo is heartbroken. The only power he has left to wield is through his exquisite ice cream confections ... Where will his loyalties lie? Will he seek his revenge?