A mother's deep love for her expatriate son, Giorgis, and her grief and sorrow for the inexplicable murder of her other son, Christakis, is vividly illustrated in the short story by Georgios Vizyinos. The return of the expatriate somewhat relieves her pain but doesn’t alleviate her grief. She adjures, therefore, Giorgis and her other son, Michailos, to search for their brother's murderer and avenge him. She is ignorant, of course, of who her son's murderer is and anxiously searches for him, while her Turk protégé, Kiamilis, whom she had taken care of if he were her child, after a dramatic adventure, although not knowing that he is the one who has -unwittingly- killed the son of his benefactress. A shocking revelation with dramatic consequences, when it comes to light. Kiamilis loses his senses and begs Giorgis not to tell his mother. To atone for his sin, having ultimately gone insane, he devotes himself to working for the mother, who never hears the truth.

Giorgis learns that Ahmed is close to finding Christakis’ murderer and comes to inform his mother. She and Valindé go to the police to see who was arrested. They learn, however, that he has managed to escape. Ahmed has found his tracks again and is looking for him. He will fail because Charalampis escapes again and is ready to leave Constantinople. Kiamil and Nezile are also planning their escape, not knowing that her husband is watching their moves. Fate will ruin everyone's plans and lead to an unforeseen catharsis. The mystery is finally is solved when Kiamilis tells Giorgis that he finally killed the vampire who didn’t let him rest. He always saw Charalampis as a vampire, believing that it was him whom he had killed. Giorgis understands that the postman whom Kiamil killed, initially, was not Charalampis but Christakis who had replaced him those days at work. Charalampis, the real culprit, was killed the second time. The revelation is dreadful and Kiamilis loses his mind. He begs Giorgis not to tell his mother. the revelation of the truth is unexpected and shocking.