A husband busy with work, rarely able to be with his wife, Mao. Mao, a busty gal in her prime, enjoys teasing her cohabiting father-in-law every day. One day, when her husband informs her that he will be late for work, Mao takes action. The father-in-law, unable to resist the provocation, becomes addicted to her body and seeks it out daily. As a result of continuing her relationship with both her husband and father-in-law, something finally changes in Mao's body... What exactly happened to Mao's body...?
