A cruel world of the Yugoslavian prison during 1980s, based on real events about a man who gets life sentence for committed crime.

The documentary special of Potraga 'Zavadlav' is about Filip Zavadlav, a 26-year-old sailor who brutally killed three young men in Split and who sent a letter to RTL's journalist Dario Todorović. In the letter, Filip Zavadlav talks about his life and what prompted him to commit such a terrible act. For the first time, comments on the case are provided by Filip's father, Ante Zavadlav, the father of the murdered Marin Ožić Paić, the mother of the murdered Jurica Torlak, Filip's lawyer Branko Šerić, and other key witnesses of the triple murder from January 2020 that shook the Croatian public.