After marriage, during the summer when Chiharu returned to her husband's family home in the countryside. Excited about leaving city life, Chiharu was looking forward to the rural experience, but while taking care of her father-in-law, she was forcibly violated by him, who was lonely after his wife's death and captivated by his young and beautiful daughter-in-law. He repeatedly humiliated Chiharu. Gradually, she succumbed to pleasure, and the two entangled with each other, drenched in sweat, many times...