Lianna has been noticing her mood has been in the dumps lately so she goes to the doctor's office. There she learns she has a Vitamin D deficiency, and well Dr. Colby Jansen has the cure-all. His thick dick. The life saving mood benefiting healing power of dick is just what Dr. Jansen prescribes, right after he primes Lianna's delicious hole. Dr. D has all the right tools to bring anyone back from the brink!