Tim, a curious straight college jock, finds himself in a cramped doctor's office with Dr. Green, a seasoned gay physician. As Tim undresses for his physical, Dr. Green's eyes linger on his toned body. Tim, noticing the doctor's gaze, feels a strange excitement. Dr. Green approaches, running his hands over Tim's chest, then lower, until he's gently grasping Tim's hardening cock. Tim gasps, unsure but eager, as Dr. Green begins to stroke him, whispering, 'Let's see if we can't find out what's causing this...