Karate Kill (2016)

To shed light on the unaccountable disappearance of his little sister Mayumi, loner karate master Kenji embarks on a dangerous search mission in the dark side of Los Angeles. But, as charismatic Kenji follows a faint trail of clues that lead straight to Hooper, a dusty town in the middle of nowhere in Texas, he finds himself confronted with Capital Messiah, a mad cult group streaming snuff content for the dark web. However, to kill all perverts in Capital Messiah, Kenji has to join forces with shotgun-toting Keiko, an unexpected ally and the only person who has ever escaped from the cult. Now, vengeance is theirs. Who can stop Kenji's iron fists of fury?