Karate Warrior 4

Two feuding brothers of differing political views, one a policeman, the other a martial artist, join forces to avenge the death of their father, a retired agent who was brutally murdered by the mafia.

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.

Picking up after the events of Never Back Down 2, former MMA champion Case Walker is on the comeback trail to become champion once again.

Jackie Justice is a mixed martial arts fighter who leaves the sport in disgrace. Down on her luck and simmering with rage and regret years after the fight, she's coaxed into a brutal underground fight by her manager and boyfriend Desi and grabs the attention of a fight league promoter who promises Jackie a life back in the Octagon. But the road to redemption becomes unexpectedly personal when Manny - the son she gave up as an infant - shows up at her doorstep. A triumphant story of a fighter who reclaims her power, in and out of the ring, when everyone has counted her out

In this sequel, Scott Wylde, an American kickboxer, must go to Cambodia to rescue his Vietnamese girlfriend from Russian and Vietnamese troops.