After Ryusaku Nishikawa and his girlfriend Katsuko are attacked by a gang, he trains in karate to seek revenge. Years later, Ryusaku is a skilled martial artist preparing for an inter-school match, but his past resurfaces when Katsuko, now involved with the gang, brings tragedy. In a final confrontation, Ryusaku faces the gang and finds redemption through his karate, with the support of his friends.
as Ryusaku Nishikawa
as Katsuko
as Koibuchi
as Professor Higashino
as Sachiko
as Madame
as Asada
as Takagi
as Teruko
as Sanae
as Haraguchi
as Yasuda
