Summary An officer in the Greek army (Giannis Voglis) arrives in German-occupied Mytilene in order to complete a mission of sabotage with the help of partisans. With the assistance of an abbot named Amvrosios, he disguises himself as a monk and hides in the monastery. A female agent of the Germans (Vivetta Tsiouni) attempts to entrap him but falls in love with him instead - finally helping him to escape.