In the experimental clinic, a batch of valuable drug was stolen. Major Grigast suspects that someone from the clinic is involved in this. He entrusts this complex matter to a young investigator Mara. An investigation leads her to a distant border town in the south of the country, where the offender intended to ship the drug abroad.

Potter's son Gogita moves from his distant village Sabudara to the town. Knowledge obtained from his father and his personal qualities help Gogita on his difficult way towards professional success and beautiful Tebrole's heart.