Five years have passed since the death of her beloved husband. Julia, a busty widow who still can't forget her husband and doesn't have a boyfriend, is visited frequently by her brother-in-law, who is concerned about her. Secretly, he has feelings for her and a desire to control her, so he installs a hidden camera in her house to monitor her. Watching her masturbate every day while thinking of his brother, his brother-in-law begins to feel jealous of his brother, and in an attempt to make her his own, he unleashes his twisted sexual feelings and dark, lewd desires.