In Seaford High School, the new kid Jack meets three boys, Jerry, Eddie and Milton. They all do karate and Jack joins Jerry, Eddie, and Milton at lunch, and soon are picked on by red belts in the Black Dragon Dojo and Jack tries to settle things and gets in a fight with kids from the rival dojo, the Black Dragons, that at the time, Kim was a member of the Black Dragons. Jerry Eddie and Milton learn from their sensei, Rudy, that the Bobby Wasabi Martial Arts Academy is in danger of closing. So Jerry, Eddie and Milton convince Rudy to get Jack to join after he crashes through the wall. Rudy lies to Jack and says he will go to juvie if he does not join and helps them get 2 belts. Later Rudy let his secret slip and Jack quits until he hears the disappointment of his friends. Jack joins to win the tournament. Kim competes against Jack, but after the Sensei for the Black Dragon cheats, Kim quits and does not fight Jack. Jack does a Bobby Wasabi move to win the tournament and keep the dojo running. Also in this episode, Kim from Black Dragon changes to Bobby Wasabi`s dojo.And he hides his feelings toward Kim who he has a crush on.