Now a free man, Boyka accidentally kills an opponent in a legitimate ring match. Driven by guilt, he returns to the underground fighting circuit in Russia to win the freedom of the dead fighter's debt-ridden widow.

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George Chambers (now played by Michael Jai White) is framed in Russia and sent to a brutal Siberian prison. To win his freedom, he must fight the prison’s reigning underground MMA champion, Yuri Boyka (Scott Adkins).

You can rent or buy the films in high definition with dual audio tracks.

Undisputed film franchise consists of four main installments, evolving from a boxing-focused prison drama into a high-octane mixed martial arts (MMA) series. While the series is widely available on global streaming platforms, it is important to note that direct download links for pirated content are not provided , as they often lead to security risks like malware. Where to Watch (Dual Audio)