Drifting detective Goro Saionji is asked to investigate the sinking of a fishing boat in a port town on the Bōsō Peninsula and runs up against the smuggling gang behind the case.

The great Sonny Chiba stars as Goro Saionji, a drifting thrill-seeker. Out to investigate a suspisious plane crash in the Red Valley, he uncovers a plot involving yakuza and a shady land developer to evict an old farmer off of his land to build a sky resort. Goro must now help the old farmer and his daughter and take those criminals on.