Years after moving to Tokyo with her parents, Hinako returns to her hometown in rural Shikoku. She soon learns that her childhood friend, Sayuri, died several years ago and that Sayuri’s mother, who used to perform seances and exorcisms, has gone almost insane with grief. After seeing Sayuri’s ghost several times during the night, Hinako consults with some local experts on the paranormal and discovers that Sayuri’s mother has something planned for her daughter…

In the middle of the 16th century, Hideyoshi, a power hungry warlord sets out to destroy the Momochi clan. He sends his war commander in search of the clan’s hidden gold only to find that two daggers are the key to the hiding place of the treasured gold. Spanning decades, the quest for the missing daggers takes Shiranui through war and ancient tradition.