Plot synopsis: In three episodes, the documentary series Apis deals with his life and work. Who was this man the rulers were afraid of? What was his role in the May Coup and the change of dynasties? How did he become the third decision-making center in Serbia together with the crown and the government? Why did the Komitas become Apis' force? Is his handwriting recognized in the Sarajevo assassination as well? What was in the grip of the Black Hand? And why was Apis sent to the execution site by the one who owed him the crown?