The Story of the three Japanese castaways Otokichi, Kyukichi and Iwakichi. After their ship the Hojunmaru was damaged, they drifted to America and landed on the US-Westcoast in 1834. They had the wish to return to Japan, a long journey was awaiting them.
Kobayashi Isamu, a first-year high school student, lives in a family of four with his father, an artist, his mother, an insurance agent, and his sister, an office worker. To make ends meet, he works as a milkman. At school, he is a member of the kendo club and spends his days working out with his seniors. Over time, he has various encounters with a series of girls.
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.