Two Italian cousins, Mariantela and Monica, come for holidays in Greece. At the airport, however, their luggage is confused with those of Alkis, a Catholic priest who carries a cross of remarkable value on behalf of a smugglers' coil. As the life of Alkis is directly at risk from the villains, if he does not find the valuable suitcase soon, he can only follow the Italians in Spetses.

Aristos, a ship worker and singer at a popular tavern in the evening, is preparing to marry a poor girl, Maryio. One night at the shop comes the rich Elena, which hides the truth about her financial situation, he falls in love with her and separates him from Maryio. However, after an accident, the real identity of Elena is revealed, as is the fact that she is betrothed. Elena, seeing the misfortune she has scattered around her, pretends that Aristos was just an adventure for her and lets him return to Maryio.