Fierce, ferocious and utterly relentless, this mind-blowing, follow-up to the hit actioner Undisputed will blow you away.

When former U.S. heavyweight boxing champion George "Iceman" Chambers (Michael Jai White) is framed and thrown into one of Russia's most notorious and violent penitentiaries, he realizes his fighting days are far from over. With the Russian Mafia betting on an inevitable showdown between Chambers and the prison's resident fighting champ, Uri Boyk (Scott Adkins), Chambers has no choice but to get back into the ring for what will ultimately be the bloodiest and most crucial fight of his life.