Time of action - Bakumatsu era - the end of the Tokugawa government. At the time, the creation of darkness breathed deeply, swarmed everywhere terrifying demons. The young writer,Yamaoka Hyakuske travels around the country, collecting various stories of supernatural beings and phenomena, hoping to introduce them in his book " Hyaku Monogatori ". As they say on the catcher and the animal runs, Yamaoka will meet with Mataichi, Ogino and Choudzhi. This trio - mercenaries, but not simple, using their extraordinary abilities,they are heard by the court and punish the criminals.