Wakaba lived with her husband, a weak father-in-law, and Yamajijii. One day Wakaba breaks his father-in-law's treasure bonsai and hides it. Former investigator Yamajiji infers that the criminal is Wakaba and asks him. My father-in-law gets angry at Wakaba who hides the facts, but in front of his youthful and plump body, his anger turns into sexual desire, and insidious erotic punishment begins.