Toramaru, lord of integrated martial arts Mugen-ga-ryu, ends his training journey and visits his master, Gensai. "You have to duel with every martial arts master and win, in order to obtain their esoteric books of martial secrets." Receiving such an order from Gensai, Toramaru makes a pilgrimage around Japan and spends a year fighting. Through his fights with genuine masters in every martial arts such as kung-fu, stick fighting, sword fighting, and nunchaku, this film passionately tells what "Budo" is and what Bushido is. Full of fierce and diverse action! The original fighting movie is finally born here!

An assassin for a secret organization keeping Japan safe from underworld threats finds himself targeted by evil forces aiming to unleash an unstoppable criminal syndicate upon Japan.

After his devastatingly fast, samurai-style combat approach sets filmmakers against him, a legendary action star films his own movie—on turf claimed by feuding yakuza gangs, including Japan’s deadliest martial arts assassin.