An old friend of Kindaichi's invites the detective to visit the remote mountain village of Onikobe, the site of a 20-year-old unsolved murder case. But no sooner has Kindaichi in the village than a new series of murders strikes ? several bodies are discovered staged in bizarre poses, and it soon becomes clear that the victims are being killed using methods that eerily echo the lyrics of an old local children's song... As the legendary sleuth investigates, he soon realises that he must unravel the dark and tangled history of the village, as well as that of its feuding families, to get to the truth