Mako Oda, the proprietress of a long-established inn, has found her libido intensifying with age. Lately, she's been so sexually frustrated that neither sex nor masturbation alone can satisfy her desires. One day, she's suddenly visited by city hall officials and a real estate agent who inform her that her inn contains illegal construction. With rebuilding out of the question, Mako desperately searches for a solution. She devises a bold plan: using her proud big tits and alluring body to seduce the men and win their favor.