When former heavyweight champ George 'Iceman' Chambers 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 boyka, 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.