The murder of a greengrocer marks that start of a series of disappearances of the residents of a tenement house. Feeling suspicious about these cases as well as sympathy for the residents, the constable Izutsu Heishiro starts to investigate the background of the cases on his own. Picking on the wisdom of his nephew Yuminosuke as he searches, Izutsu soon realises that the mystery of a case which occurred 17 years ago lies hidden behind it. The landowner Minatoya Soemon is the one who holds this secret
