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.
Four pals are stuck in a rut in adulthood: Adam has just been dumped, Lou is a hopeless party animal, Nick is a henpecked husband, and Jacob does nothing but play video games in his basement. But they get a chance to brighten their future by changing their past after a night of heavy drinking in a ski-resort hot tub results in their waking up in 1986.
After their first adventure with the Hot Tub Time Machine, Lou and Nick are living very well off their ill-gotten gains, while Jacob still cannot rely on Lou to be a positive role model. When an unknown assailant breaks into Lou's mansion and shoots him, Nick and Jacob take him for another trip in the hot tub. They emerge in the year 2025, where they must figure out who shot Lou and prevent it from happening again.
