An international crime syndicate is on the move in America. Led by the devilishly clever Livingston, who plans one last payday before they move their operation overseas.

Eddie Serrano, a successful defense attorney, realizes that he hasn't been involved in his daughter's life as much as a father should. He tries to prove himself as a responsible parent by attending her Spring Action Classic mountain jamboree as the Killer Bees' 'Troop Mom.'

Season 4 finds Miyagi-Do and Eagle Fang dojos joining forces to take down Cobra Kai at the All Valley Under 18 Karate Tournament... and whoever loses must hang up their gi. As Samantha and Miguel try to maintain the dojo alliance and Robby goes all in at Cobra Kai, the fate of the Valley has never been more precarious. What tricks does Kreese have up his sleeve? Can Daniel and Johnny bury their decades-long hatchet to defeat Kreese? Or will Cobra...

Ryan Chang is a maverick Timecop who's assigned to prevent criminals from traveling to the past and altering the future. The clock is ticking and Ryan must track down the evil mastermind Branson who's bent on using history as the ultimate weapon.