The Great Detective Filinta is at the center of the story. The action takes place in the Ottoman Empire. Filinta is engaged in crime investigation, but he believes his true purpose is to confront evil. He skillfully solves the most complex crimes, exposes the culprits, and also has a nose for foreign networks and traces. When the investigation reaches a dead end, a talented genius, no less than Sherlock Holmes, appears at the doorstep.