When a number of biker gangs ranging from small to large started to appear in Yokohama, Hiromi Katayama united them at the risk of his own life. Set in the present, this OAV tells the story of Toshi Ikeda, a young rookie who returns to Yokohama to join Katayama's group. There, he will encounter an old friend and things will turn violent when the yakuza gang Mad Emperor attacks them.

The Japanese karate master Muhashi spent some time in Hong Kong studying various Shaolin martial arts styles. Soon the narcotics brigade calls in his help to combat a powerful drug and prostitution syndicate.