A suspense drama based on Baku Akae's original work and starring Shima Iwashita. It's the night of reunion for the first time in 15 years. Her sister's dream of reconciliation crumbles, and her sister tries to replay that particular "cruel night". Draws the love-hate conflict of sisters on the stage of a mountain cottage. One night at a mountain cottage, her sister saw the moment her sister seduced her husband, and the shock caused her to stillbirth...