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.
Three middle aged men polish their martial arts skills to avenge their fallen master.
Timeworn Joe Collins and his fellow inmates live under the heavy thumb of the sadistic, power-tripping guard Captain Munsey. Only Collins' dreams of escape keep him going, but how can he possibly bust out of Munsey's chains?
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.
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 weak con man panics when he learns he's going to prison for fraud. He hires a mysterious martial arts guru who helps transform him into a martial arts expert who can fight off inmates who want to hurt or love him.
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 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.
Lau Ching, a Mainlander with an incredibly powerful right arm, arrives in Hong Kong to find his cousin. He befriends with a drifter named Handsome, and a martial artist girl named Mandy. In order to woo her, Ching participates in a fighting competition in hopes of winning a $10 million prize, and must defeat his love rival, Wai, in the ring.
A prisoner leads his counterparts in a protest for better living conditions which turns violent and ugly.
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.
A young Asian American martial artist is forced to participate in a brutal formal street-fight competition.
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.
Everyone abuses and humiliates a downtrodden orphan until he befriends an old man, who turns out to be the last master of the snake fist fighting style. Jackie becomes the old man's student and finds himself in battle with the master of the eagle's claw style, who has vowed to destroy the snake fist clan.
Two detectives who are up to their necks in trouble and in each other's face, as they try to shut down a drug-trafficking scheme that could be connected with international ties to organized crime. But in the midst of their investigation, innocent immigrant dock worker Luk Wan-Ting gets caught up in the mix when he witnesses the murder of an intelligence operative and is framed for the crime.
As punishment for drunken, rebellious behavior, a young white soldier is thrown into a stockade populated entirely by black inmates. But instead of falling victim to racial hatred, the soldier joins forces with his fellow prisoners and rises up against the insanely tyrannical and bigoted prison warden.
Ho Kam-An is a lovestruck dim sum delivery boy who falls for a beautiful judo student. After being humiliated by her boyfriend, Ho Kam-An seeks the services of an aging master who teaches him a half-assed style of kung fu, "Karate Kid"-style.
When her husband goes missing during their Caribbean vacation, a woman sets off on her own to take down the men she thinks are responsible.
