An evil sorcerer summons seven legendary Samurai warriors to aid him in his conquest of the world. One valiant warrior stands against them.

Legendary samurai Jubei Yagyu must face off against a necromancer and his army of the undead in order to rescue Ohiro the young ninja girl from the clutches of Inshun Hozoin, the evil man slated to become lord of darkness on the eve of Armageddon. No living man is a match for Jubei's sword, but what skill can this mythic swordsman employ to defeat an army of the undead?

Classmates Shuji and Eri becomes friends, both young people have family problems. When Eri is taken away to Tokyo by her relatives, Shuji becomes increasingly isolated at school and drifts into criminal activity.

Shinji and Masaru spend most of their school days harassing fellow classmates and playing pranks. They drop out and Shinji becomes a small-time boxer, while Masaru joins up with a local yakuza gang. However, the world is a tough place.

The year is 1982, and the place is Shōnan in Kanagawa Prefecture, Japan. A group of passionate young people operate a beach radio station for the local community.