Invincible Enforcer

Heavyweight Champ George "Iceman" Chambers is sent to a Russian jail on trumped-up drug charges. In order to win his freedom he must fight against the jailhouse fighting champ Uri Boyka in a battle to the death. This time he is not fighting for a title, he is fighting for his life!

A man must survive a prison where hardened criminals battle to the death for the warden's entertainment.

Canadian policeman Louis Burke is assigned in a jail to investigate the murders of prisoners and jailors. While there, Louis, using his outstanding martial arts skills, is able to save his life and make himself respected in this violent world.

In 2001, where all correctional facilities have been privatized, martial artist Ricky finds himself victim to the corrupt system, found "guilty" of the manslaughter of an infamous crime boss.

Russian inmate Boyka, now severely hobbled by the knee injury suffered at the end of Undisputed 2. No longer the feared prison fighter he was, he has declined so far that he is now good only for cleaning toilets. But when a new prison fight tournament begins - an international affair, matching the best fighters from prisons around the globe, enticing them with the promise of freedom for the winner - Boyka must reclaim his dignity and fight for his position in the tournament.

Three middle aged men polish their martial arts skills to avenge their fallen master.

Set in the dark and old Parramatta prison built by the original convicts our lead character Ray a war veteran finds himself serving 18 months for manslaughter after defending his fiance. He soon realizes that the prison boss has it in for him and does everything possible to break Ray even going after his fiance.

A young Asian American martial artist is forced to participate in a brutal formal street-fight competition.

When a young soldier, newly returned from war, gets caught up in a drug bust, he is recruited by the authorities to go undercover in a notoriously dangerous prison in order to figure out what is really going on.

Nick and Ruben are hoodwinked into a "shootfighter" (no-holds-barred, to the death) martial arts match by the evil Mr. Lee, who has a grudge against world shootfighter champ(and teacher of Nick and Ruben) Shingo.

MMA legend Patton James, now a commercial fisherman, is pulled back into the cage when his brother is in danger. Reuniting with his old coach Sammy, he commits to one final fight in one championship against the brutal champion Xavier Grau.

Fai, once a world champion in boxing, escapes to Macau from the loan sharks and unexpectedly encounters Qi, a young chap who is determined to win a boxing match. Fai becomes Qi's mentor and rediscovers his passion to fight not only in the ring but for his life and the cares.