Ogami Itto volunteers to be tortured by Yakuza in order to save a prostitute and is hired by their leader to kill an evil chamberlain.

Obayashi's take on the famous Kosuke Kindaichi series, made popular partly thanks to the numerous movie-adaptions by Kon Ichikawa, the most known being The Inugami Family. Kosuke Kindaichi is the most famous detective in Japan. Kindaichi gets a new case to figure out who has beheaded a valuable statue and made off with its head.

With most of his family already dead at Ogami Itto's hands, Retsudo launches one final plot to destroy him, and when that fails, unleashes the fury of every remaining member of the Yagyu clan.

Two university students from Kyoto decide to swap partners and spend the night in an isolated motel. However, one of the couples is attacked. Desperate for answers, they search for the attackers and come across a cult that promotes sexual freedom.