A couple enjoying a carefree and happy married life found it difficult to have children. However, the wife, Satomi, was content as long as she could nurture love with her husband. But their smooth-sailing life took a sudden turn. One day, her husband proposed that they take in his father, who lived alone, to live under one roof together. At that time, Satomi had no idea that the evil desire hidden within her father-in-law would soon attack her…
