From the director of the cult hit Suicide Club comes an unsettling look at the life of a sexually-abused adolescent whose inability to distinguish her mother's pleasure from her own pain sends her down a dark and surreal path. Sexually molested by her father Gozu (Hiroshi Oguchi) and mentally tormented by her jealous mother Sayuri (Masumi Miyazaki), twelve-year old Mitsuko (Rie Kuwana) is locked in a cello case and forced to watch her parents perform a series of intimate acts. When Mitsuko's mother dies as the result of a fatal fall, the deeply disturbed young girl begins to believe that she has, in fact, been transformed into her own mother. Her father viewing the death of his wife and mental malaise of his daughter as a motivator to ramp up the incestuous relations with his increasingly unhinged offspring, Mitsuko eventually ends up restricted to a wheelchair following a failed suicide attempt. Later, it begins to appear that the preceding events were nothing more than the details of a new novel by reclusive, wheelchair-bound author Taeko (also Miyazaki). When Taeko's trusted editor places his fey personal assistant Yuji (Issei Ishida) in charge of the successful writer, the probing Yuji launches a clandestine investigation into Taeko's background while simultaneously being forced to satisfy her deepest and darkest fantasies.
