Han-cheol and his buddies, Geon-mo and Min-ho, want to be the dominators of 11th grade. He gets rid of likely candidates of the 11th grade one by one. One of his opponents is Sang-gil and after school one day, they decide to fight behind an alley. The fight ends with the police appearing, and while the result is inconclusive, they each realize how good their opponent is.

Nerdy high schooler Jerry Mitchell is assigned to write an article for the school paper about the infamous new delinquent transfer student, Buddy Revell. When Jerry accidentally invades Buddy's personal space and touches him, Buddy challenges Jerry to an afterschool fight in the parking lot, which Jerry tries to avoid at all costs.

Seven girls become good friends in high school, then events pull them apart for 25 years. When one of the friends lies dying in a hospital, she wishes to see each of them one last time.

When one school teacher gets the other fired, he is challenged to an after-school fight.

Jake, full of anger after his father's death, is just starting to find a place for himself at his new Orlando high school - until Ryan, head of an underground MMA fight club, picks Jake out as a prime opponent. After being trounced by Ryan in front of the entire school, Jake begins training under the firm, moral guidance of a MMA master, where he learns how to fight... and how to avoid a fight. But it becomes obvious that a rematch will be inevitable if Jake wants to stop Ryan and his bullying, once and for all.

Nick and Ruben are hoodwinked into a "shootfighter" (no-holds-barred, to the death) martial arts match by the evil Mr. Lee, who has a grudge against world shootfighter champ(and teacher of Nick and Ruben) Shingo.

The mob is trying to strongarm local martial arts schools, forcing young Jason Stillwell and his family to move after his father is injured defending their dojo. With his father now rejecting violence, Jason is forced to train on his own to protect himself and his best friend from the members of a rival karate school.

Kim is expelled from his eighth school and finds himself at Volcano High where students fight to possess a treasured ancient document. Kim, who must resist from using his Chi, is caught in the middle.

New Jersey teen Daniel LaRusso moves to Los Angeles with his mother, and soon strikes up a relationship with Ali. He quickly finds himself the target of bullying by a group of thugs, led by Ali's ex-boyfriend Johnny, who study karate at the Cobra Kai dojo under ruthless sensei John Kreese. Fortunately, Daniel befriends Mr. Miyagi, an unassuming repairman who just happens to be a martial arts master himself. Miyagi takes Daniel under his wing, training him in a more compassionate form of karate for self-defense and, later, preparing him to compete against the brutal Cobra Kai.

Max Keeble, the victim of his 7th grade class, plots revenge when he learns he's moving; it backfires when he doesn't move after all.

The new guy in a Los Angeles high school, Morgan, does some singing and fights hotshot Nick over disco dancer Frankie.

The line between reality and fiction starts to blur when two best friends start making a movie about getting revenge on bullies.

A former fighter reluctantly returns to the life she abandoned in order to help her sister survive the sadistic world of illegal fighting and the maniac who runs it.

An expelled boxing champion, who now is a high-school teacher, witnesses intolerable violence and throws her first punch to build justice against it, while putting on a mask.

In the cruel world of junior high, Edwin suffers in a state of anxiety and alienation alongside his only friend, Flake. Misunderstood by their families and demoralized at school daily, their fury simmers quietly until an idea for vengeance offers them a terrifying release.

A high school English teacher goes to disturbing lengths to protect his favorite students from bullies, and challenge the power of a wealthy patron within the community.

A girl who halfheartedly tries to be part of the "in crowd" of her school meets a rebel who teaches her a more devious way to play social politics: by killing the popular kids.

A group of over-achieving Asian-American high school seniors enjoy a power trip when they dip into extra-curricular criminal activities.

Maimed by bullies at a California high school, a new student engineers acts of revenge.

After discovering they are all dating the same same guy, three popular students from different cliques band together for revenge, so they enlist the help of a new gal in town and conspire to break the jerk's heart, while destroying his reputation.

Despondent over the closing of his karate school, Cobra Kai teacher John Kreese joins a ruthless businessman and martial artist to get revenge on Daniel and Mr. Miyagi.