Injured motorcycle cop, Jesse Mach, is chosen to test ride a top secret government, ultra-fast attack motorcycle called 'Street Hawk', and is partnered with its creator, Norman Tuttle, to combat urban crime in Los Angeles. Guest starring Christopher Lloyd.
Yuma gets involved at a stagecoach station when prejudice toward a Chinese father and daughter becomes physical. He assists again as thieves attempt to steal a dowry for the daughter's arranged marriage.
When Yuma comes to meet a unknown woman who has written him, he discovers her grave, and her embittered brother digging a grave for Johnny Yuma, whom he blames for her death. But Johnny never met the girl, so he joins the man incognito to find the impostor.
Angered by the Dairanger's lack of confidence in each other in dealing with the Key Jester, Master Kaku forces the team to learn a history lesson regarding the Gorma and the consequences of their failure.