JD becomes annoyed that his new girlfriend Julie doesn't laugh, but rather tells him when things are funny. Afraid that he is going to screw up yet another relationship, Elliot encourages JD to start saying his feelings out loud.
When nurse Roberts takes a turn for the worse, the team are faced with the possibility of her death and all deal with it in their own way.
JD feels that the same things happen over and over again at the hospital, and when Dr Cox returns to work, Elliot believes that he has lost his usual confidence, so Elliot calls him on his behaviour. Elsewhere, Carla gets fed up with Turk because he still can do a lot of stuff but she can't since she is now pregnant.
J.D. invites Kim to move in with him so they can raise their child together, while Carla helps Elliot plan for her upcoming wedding.
JD and Kim start contemplating about their future and their baby's future, and Turk rushes Carla to the hospital after she goes into labour.