Hajime and Miyuki travel with Detective Isamu Kenmochi to Kuchinashi village in Okuhida (Hida region) of Gifu Prefecture after kenmochi received a letter from Shino, a childhood friend who married into the Tatsumi family as the second wife. She has been receiving death threats from the "Cursed Warrior" since her husband, Kuranosuke Tatsumi's death, when his will named Seimaru, Shino's son as his heir...