When a sexually inexperienced 18-year-old goes for her regular checkup, she's overwhelmed by the intimate nature of the questions she's asked, and just how thorough her doctor is. He has one mission, to make sure all of her erogenous zones are working properly, and he won't let her leave until he's made absolutely sure. Lucy is hesitant at first, but soon gets won over by the handsome doctor, and his unusual but effective methods.