Due to work, the older brother temporarily stays at his younger brother's house. Seeing his beautiful and grown-up sister-in-law's unfulfilled desires, the older brother, fueled by alcohol, takes advantage of the situation. Although interrupted by the presence of her husband, his desire doesn't subside. He relentlessly attacks his sleeping sister-in-law again. Despite her desperate pleas, he doesn't manage to penetrate her, but her body is completely ignited by his presence. When her masturbation in the living room is caught by her brother-in-law, she can't resist his relentless assault and falls into a forbidden relationship.
