The central character is Inspector Alexander Yakovlevich, who is trying to solve a crime related to the murder of his father, Milet. At the same time, the main character is also working on ordinary cases. The young inspector is searching for the killer of a wealthy businessman's daughter. His colleagues, Mirko Pavlovich and Zoran, assist Alexander in his search for the criminals. Their work is supervised by Predrag Maryanovich. Alexander, Mirko, and Zoran are also aided by Sava and Elena, who are involved in forensic medicine.