J.D. encourages his colleagues to go the extra mile with their patients. This causes a dilemma as J.D. is torn between sticking to his principles and losing a very attractive girlfriend who is only interested in him because of his hair. Turk and Carla are having trouble making a baby, and a doctor attributes it to the stress they are under. Turk is worried about getting a permanent position when he finds out he is the fourth most skilled surgeon.