Karate fighter who’s witnesses his mom killed by the yakuza

This Karate Kid sequel series picks up 30 years after the events of the 1984 All Valley Karate Tournament and finds Johnny Lawrence on the hunt for redemption by reopening the infamous Cobra Kai karate dojo. This reignites his old rivalry with the successful Daniel LaRusso, who has been working to maintain the balance in his life without mentor Mr. Miyagi.

Go behind the scenes with the cast and creators of "Cobra Kai" as they break down the action and surprises awaiting fans in Season 6 — the series finale.

A desperate teenager is forced into the dangerous world of underground fighting to win enough money to save his ailing mother. He finds out what he's made of in the face of these violent hungry competitors.

A team from the United States is going to compete against Korea in a Tae Kwon Do tournament. The team consists of fighters from all over the country--can they overcome their rivalry and work together to win?

In an underground fight club, blackbelt Travis Brickley is killed after losing to the evil martial arts master Brakus. Travis' death is witnessed by Walter Grady, the son of his best friend Alex Grady. Alex and his partner, Tommy Lee, vow to avenge their friend's death by defeating Brakus and shutting down the fight club.

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. One of the guards, Demon, feels upset by Alex appearance and tortures him as often as he gets the opportunity. Alex finds a 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, Demon gets an invitation. Now Master Sun and Alex need to find a way to let Alex take part in the kumite too.

An American Army Major goes AWOL to Hong Kong for an outlawed martial arts contest called the Kumite.

After witnessing a gang murder, 12 year old Masashi asks his father what he'd do if he were killed by a Yakuza. "Exact vengeance," his father promptly replies. The next day, in an unfortunate turn of fate, Masashi's father is hospitalized with serious injuries, leaving Masashi to fend for himself in a bad and violent part of town. Luckily, he is taken in by a generous family who decides to help him. However, Masashi soon discovers that the father of this family, has a rather bad reputation.

University karate club member Kikuo is actually the son of a yakuza boss. However, he disliked his father's business and never spoke about his family at school. One day, his father, Tatsuzo, becomes the guardian of the Yamanaka-gumi.

In Okinawa, Ayaka Kurenai was born in the world’s greatest legendary Karate family. When she was a child, her family was attacked by a mysterious gang that seeks legendary black belt. Her father Soujiro Kurenai was killed and her younger sister was taken in front of her. Time has passed. In Yokohama, she was spending her life as a normal high school girl, hiding her real name and her status as a heir of the legendary Karate family. However, one incident brought her a fateful encounter with her sister who was separated in their childhood. But, her sister was raised as a heartless killing machine by the mysterious gang who took her. .