When heavyweight champion George "Iceman" Chambers lands in prison, the resident gangster arranges a boxing match with the reigning prison champ.

Sequel to the 2002 film. This time, Heavyweight Champ George "Iceman" Chambers is sent to a Russian Jail on trumped-up drug charges.

Boyka is back. This time he is fighting in the first ever inter-prison tournament with one knee.

In the fourth installment of the fighting franchise, Boyka is shooting for the big leagues when an accidental death in the ring makes him question everything he stands for.