Kasane is an adaptation of the classic japanese horror novel "Ghosts of Kasane Swamp" [Kaidan kasane-ga-fuchi] by Sanyutei Encho.

A 21 years old man, Shinkichi, is employed as assistant by the beautiful ageless shamisen player Toyoshiga. Despite the considerable age difference, they became lovers. But Toyoshiga is a jealous woman who ca...