A quiet and modest wife, Reiko has lived entirely dependent on her husband, knowing little about the outside world. After her husband Kazuhiko's sudden death, she reunites with her stepfather Yoshio for the first time in a year. Memories resurface of how, a year earlier following her mother-in-law's passing, Yoshio forcibly took her as his plaything. Confused and overwhelmed, Reiko finds herself once again subjected to her stepfather's intense desires. His relentless pursuit of her body and soul becomes a new trial for her.