The Return of Sister Street Fighter

Li Mansei is a martial-arts champion turned undercover agent. When he is captured by a drug lord, his sister Li Koryu turns to his former martial-arts school, including the powerful Sonny Kawasaka, for help in the inevitable battle royale.

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.

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.

A few years after his breakthrough, Sanshiro resumes his path to judo mastery—testing his discipline against an American prizefighter and later facing vengeful karate brothers. As rival schools and public spectacle push him toward violence, he must reconcile strength with restraint and the true spirit of his art.

Brazilian-Japanese gangster Mario rescues his Chinese girlfriend Kei as she's about to be deported from Japan. Desperate to escape, he hides in Tokyo's booming Japanese-Portuguese community and seeks passage from the country from a Russian mobster. To meet his price, they hold up a bigtime drug deal between the Chinese Mafia and the local Yakuza.

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.

A businessman, Tsuda, runs into a childhood friend, Kojima, on the subway. Kojima is working as a semiprofessional boxer. Tsuda soon begins to suspect that Kojima might be having an affair with his fiancée Hizuru. After an altercation, Tsuda begins training rigorously himself, leading to an extremely bloody, violent confrontation.

Long is a Taiwanese killer known for his sword skills. After Long fails a Tokyo mission, he moves to a small town where no one knows about him.

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.

Ocho is accidentally captured by a drug trafficking cartel who use Chinese women to smuggle drugs into Japan by hiding it in their vaginas. She is tortured, and manages to escape, fighting both the male yakuzas and a gang of female thieves.

Jeff, a young delinquent, is enrolled by his father in a kenpo school, in the hopes of teaching the boy some self-discipline. Years later, Jeff's mentor, Kim, is being threatened by one of the Korean mafia families. Jeff tries to help his old friend, but is too late to prevent Kim's death at the hands of an unknown hitman. Vowing revenge, Jeff takes on all of the families, using his martial arts skills to find the man who killed his friend.

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.