It is 1938. For two couples honeymooning in Sorrento, the future is uncertain. When Biff and Rosemary Banks meet Konrad and Anna von Riegner they become friends. Biff is a pilot in the RAF and Konrad an Oberleutnant-zur-See in the German Kriegsmarine. Together they tour the Amalfi coast, and visit the ruins at Pompeii. As they part, swearing undying friendship, they resolve to meet again in a year's time. Yet eleven months later their countries and their friendship are torn apart by a war that lasts for six years. At the end of it, will their friendship have survived?