To free Alma, Boyka agrees to a series of increasingly impossible battles in Zourab's underground club. 2. Key Production Details Director
Undisputed 4 - Il ritorno di Boyka (Video 2016) - Notizie - IMDb Undisputed 4 - Il ritorno di Boyka
While competing in a high-stakes qualifying match for a major European MMA tournament, Boyka accidentally kills his opponent, Viktor Gregov. To free Alma, Boyka agrees to a series