Ex-boxer Zack (Alex Meraz), talented MMA fighter Tim (Todd Duffee), bullied record store clerk Justin (Scott Epstein), and wrestler Mike (Dean Geyer) come from various backgrounds, but they all share one thing in common: a passion for the "savage science" and quickly become loyal to their unorthodox trainer, Case (Michael Jai White), a brilliant ex-UFC Champion down on his own luck. Teaching them about much more than fighting, Case prepares the young men for a competition called the Beatdown, run by local college kid and fight impresario Max (Evan Peters). When their mentor gets set-up by some bad cops, the young men band together to root out a traitor in their midst.

Captured international assassins are locked up inside a high-tech bunker known as the Killing Chamber. To break out of this concrete hell they must duel each other, fight deadly ninjas and battle against gangs of masked maniacs. And... if they survive this, they will have to confront Snakehead: the lethal, deranged top dog who will stop at nothing to kill 'em all!

The life story of martial arts icon and actor Bruce Lee.

The year is 2039. World wars have destroyed everything and territories are run by corporations, the mightiest -- and cruelest -- of which is Tekken. Jin Kazama (John Foo) witnesses the death of his mother Jun (Tomita) by Tekken in the slums known as Anvil. Vowing vengeance, and armed only with his street smarts and raw fighting skills, he enters a dangerous and potentially deadly combat tournament, where he must defeat the world's most elite fighters to become the "King of the Iron Fist."

After thief Alex Cardo gets caught while stealing an ancient katana in East Asia, he soon finds himself imprisoned and beaten up by the crowd there. Especially one of the guards, Demien, feels upset by Alex appearance and tortures him as often as he gets the opportunity. Alex finds one friend and mentor in the jailhouse, Master Sun, who teaches him a superior fighting style called Iron Hand. When a 'best of the best kumite' is to take place, Demien gets an invitation. Now Master Sun and Alex need to find a way to let Alex take part in the kumite too.

20 year old kickboxers from opposite ends of Miami, Max and Jesus, battle for triumph in sport and their own identities in this coming-of-age action/drama. Coming from opposing sides of the tracks, like trains headed for a collision, the two contend for the South Florida title. However, an unexpected event extends their combat zone from the ring to the streets. A war is declared that gives birth to two heroes; though it can yield but one champion.

Frank Dux has spent most his life being trained by Tanaka to participate in the Kumite, the ultimate martial arts tournament, where participants are seriously injured, even killed. Frank decides to go despite being told by his superiors in the army that he can't because they need him. Two army officers are sent to get him and the trail leads to Hong Kong but Frank eludes them. While Frank advances, he knows that he may have to face Chong Li, the defending champion, who has killed a few participants.