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!

Martial arts fighter Joe goes to prison for four years and takes his wife's blame for a drug bust. After his release, he learns that his son needs expensive surgery because of a life-threatening tumor. Joe's only chance to save him: a brutal all-styles tournament with a $100,000 prize.

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.

A man is framed for murder by his drug-dealing best friend who covets his girlfriend, leading to eight years in jail and a vow of revenge upon release.

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.

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.

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

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.

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

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.

The film revolves around a crack squad of female police officers who have to deal with harassment and a lack of respect from their male colleagues, personal issues, as well as some serious criminals.