An American with a Japanese upbringing, Chris Kenner is a police officer assigned to the Little Tokyo section of Los Angeles. Kenner is partnered with Johnny Murata, a Japanese-American who isn’t in touch with his roots. Despite their differences, both men excel at martial arts, and utilize their formidable skills when they go up against Yoshida, a vicious yakuza drug dealer with ties to Kenner’s past.

During a commemoration for Japanese soldiers fighting in the US Army during World War II, Mr. Miyagi meets the widow of his commanding officer. He gets to know her granddaughter Julie, an angry teenager who is still feeling the pain of losing both her parents in an accident and is having problems with her grandmother and her fellow pupils. Mr. Miyagi decides to teach her karate to get her through her pain and issues and back on the right path.

When a couple of burglars make off with their family’s presents and decorations, the Three Dogateers set off on a journey to sniff out the bad guys and save Christmas!