Aged stud gets a youthful doc's special mouth prescription. This horny old geezer can't believe his luck when his hot-to-trot step-granddaughter, playing doctor, gives him a phrases-free check-up. Turns out, the old man's got a condition that requires some serious oral attention. Grinning from ear to ear, the little vixen delivers the cure, and boy does she know her stuff! She works her magic, leaving the grateful geezer thoroughly satisfied and cured