The Mediterranean in Flames (1970)

As World War II breaks out, two former best friends find themselves on opposite fronts. Now, the Greek officer, Sub-Lieutenant Pavlos Dellis, has to face in battle his companion, the German officer, Sub-Lieutenant Erich von Auer, and as if that weren't enough, the romantic affair between Dellis' sister, Marina, and Erich can only spell trouble. However, Marina is harbouring an unexpected secret: one that involves her patriotism. But, is there room for love when the Mediterranean is in flames?