The story concerns the efforts of seven master swordsman who join together to protect the new inexperienced Shogun Tokugawa Yoshimune from the evil plans of the Owari Clan's corrupt Lord. It's a colorful bunch, a drunk samurai, a master thief, a sword instructor and a Lord who is disguised as a ronin since it is an executable offense for a lord to wander outside of their domain without permission. As the Chief Magistrate becomes suspicious of the Owari plot to send men to Kodenmacho Prison to start a riot he begins to investigate the rumors. He soon calls upon the Lord of Mikazuki Castle and the Shogun's best friend to help thwart the evil ambitions and battle the rouge swordsman hired by the Owari Clan.
The righteous young men, who were separated by the all-out attack of sorcery, are saved by the friendship of a young Sengoku warlord, and now launch an all-out attack on Gondayu, who has usurped the regent's position. An exciting and heated battle unfolds. This is the grand finale of a golden period drama that mobilizes all the popular youth stars.
The first work in the series "Cases of An Actor in Disguise" starring Kokichi Takada, based on the original work of Tatsuro Jinde. Kasumi Ippei is a popular ronin actor, and when he is not on stage he is investigating intricate crimes, in this film Ippei will solve the abduction of seven beautiful young girls.
For the poor, Edo is Hell on Earth, starving under the rule of Tanuma Okitsugi, corrupt councilor to the shogun. But the courageous vagabond called “Kageboshi” (Shadow Avenger), will fight for the common folk, robbing the rich so the people will have rice. Tanuma’s henchmen will hire an evil swordsman to pose as Kageboshi, starting a wave of murder, kidnapping and robbery, searching for two antique sword-guards that will reveal the hiding place of a fortune in buried gold. But who will claim the gold? The poor of Edo, or the conniving Tanuma? Only Kageboshi’s flashing sword, tearing through Tanuma’s bloodthirsty minions, can forestall his wicked schemes.
A yakuza boss and his right-hand, Hawasaki, escape from prison. the film concentrates on their relationship, emphasizing loyalty and thier eventual betrayal, enroute they get involved in money trafficking, a cop killing and horse racing scams before the inevitable tragic ending. A patch-work production.