Johnny’s dojo class attracts a group of misfits while his son Robby, who harbors ulterior motives, lands a new job. Samantha makes a new friend in science class. Daniel inspires interest in karate from an unlikely person.

Daniel works to make amends with Amanda, while Johnny is introduced to the world of dating apps. Complications arise when Miguel, Samantha, Robby and Tory cross paths.

It’s the first day of school at West Valley High but tensions between the two dojos have not cooled with the end of summer. And the rivalry between Daniel and Johnny comes to a head.

Miguel helps Johnny craft the perfect social media message. Kreese scouts new recruits while Daniel and Amanda try to shut down Cobra Kai.