An American computer expert was killed on a dark street in front of Mac Bolan.

Within a few hours, the Executioner went to Japan, where he encountered fanatics ready to plunge the world into the abyss of a new war. Alone in a foreign land, Bolan faces off against the Yakuza, one of the world's most powerful gangster organizations, and a mysterious army of ninja warriors. But soon the Executioner will even the odds.