In the third film of the Lone Wolf and Cub series, Ogami Itto volunteers to be tortured by Yakuza to save a prostitute and is hired by their leader to kill an evil chamberlain.
Two young boys sneak aboard a spaceship and find themselves whisked away to the mysterious planet Terra. There, they encounter Gamera's old foe Gyaos and two female aliens with a taste for human brains. Gamera must save the children and battle the new monster Guiron, whose entire body is a deadly living weapon.
Up until this point, young Sayuri Nanjo has had to live most of her life in a nun-run boarding school for orphans and away from her parents. That's all about to change when her real father mysteriously comes to get her and finally bring her home.
A series of murders has been committed by someone with a new model gun, a Mord-Gessel X 38. Indeed, Daisuke himself is almost killed while investigating the case. This occurred while he was with Ritsuko, daughter of a company president. Detective Kimura thinks that the president himself, returned to Japan after an absence of fifteen years, might be the killer, or at least the man who supplied the gun. Ritsuko's father limps and though she explains this as the result of a traffic accident, Kimura remembers a narcotics smuggler named Suginami who shot himself in the ankle and then escaped from the hospital. He believes that the company president and the drug peddler are the same.
When a local gambling house kidnaps some peasants because they failed to pay their debts, a rival gambling house pays their debts and sets them free.
A decapitation at the hands of the shogun's monstrous misbegotten son kicks off the action and draws nomadic Nemuri Kyoshiro (Raizô Ichikawa) into more sword-fighting adventures when he's blamed for the beheading. Meanwhile, the head-chopper's mother is busy knocking off the shogun's lawful heirs to secure the shogunate for her son.
In 1963, Funaki Kazuo's debut song of the same name was released and then it was adapted to a movie based on Kenji Tomishima 's novel “Shake to Tomorrow” with the same title, produced by Daiei with this song as a motif. Singer and actor Funaki Kazuo also appears in the movie, which depicts the fun, love and heartbreak in a Japanese school.