Skies stin ammo (1970)

A singer (Alexis Georgiou), looking to make a quick fortune, goes to an island (Naxos) and provides cover for a gang of antiquities smugglers. He stays in the hut of a local fisherman (Vassilis Mavromatis), and together with a colleague (Kaiti Chomata) they play a couple vacationing on the island. However, she reacts to his plan. He collaborates with the fisherman, they expose the gang and facilitate the police in arresting both the criminals and their leader (Vassilis Andreopoulos).