Dr. Cox is still facing the threat of suspension, and coincidentally, J.D. is assigned to a special patient: Jordan Sullivan, an important board member. She is very demanding and J.D. ends up sleeping with her after he confronts her. Only he didn't know that she is Dr. Cox's ex-wife, and now the only one who can save J.D.'s mentor from being fired by the evil Dr. Kelso. Meanwhile, Elliot is assigned to take care of a shrink whose jaw has been wired shut, and for whom she ends up becoming a patient. Carla's mom makes a scandal after Turk spends the night at Carla's, and when she breaks her leg, Carla blames Turk for it.

After going to bed and spending an entire day having sex, J.D. and Elliot go to work trying to hide their new secret romance, but everybody already knows it.

It's J.D.'s last day as an intern, and soon he will become a resident. Carla and Turk are arguing about dating other people. Elliot finally rebels against being everyone's doormat, and J.D. is just trying to stay out of people's way.

Jordan has returned to get a physical and a new patient, Mr. Bober, has been admitted, because he needs his gall bladder removed. He really needs the surgery, but doesn't have the insurance to pay for it. They enlist the help of Dr. Cox, Dr. Wen and Jordan.

When Dr. Kelso challenges the residents by offering a trip to a medical conference in Reno as a reward to the individual, who presents the most interesting case study, J.D. refuses to play along, earning him the respect of Dr. Cox.

In the meantime, Turk misses his opportunity to ask for a new laser on the one day of the year, that Dr. Kelso grants favors, so he is forced to find another way to come up with the goods.

Comeuppances are in store for Dr. Cox, Dr. Kelso and J.D. from a hypochondriac, a surgical patient and Elliot, who wants more than just sex from J.D.

Elliot struggles to find her defining moment after Turk performs his first solo surgery. Dr. Cox deals with the reality of growing older when his back goes out. J.D. finds out that many of the hospital staff don't know the Janitor as he does.

Elliot feels uneasy with the proper terms for sexual organs, especially after performing a pelvic exam; J.D.'s patient refuses to have surgery for prostate cancer.

Jordan's friends Allison and Maddie come to town to provide moral support for Jordan after her brother's death – however, their constant presence does not provide any relief to Dr. Cox.

Meanwhile, Turk tries to impress the new female surgeon, Dr. Miller, but his first encounter serves only to leave him baffled by the opposite sex yet again. Attempting to reinforce the policy on sexual harassment at Sacred Heart, Carla is forced to teach a course where Dr. Kelso is the number-one student.

Dr. Cox is having issues with Jordan, since Ted revealed that they are still technically married due to some filing problems.

J.D. has problems of his own as he can't shake off the tag of Co-Chief Resident the Janitor assigned to him, while Elliot keeps the Chief Resident tag.

Elsewhere, Turk begins to doubt his abilities after letting a patient die and isn't helped, when he finds out J.D. has no confidence in him either.

Dr. Cox and Molly spar about her involvement in his patients.

J.D. takes matters into his own hands, when searching for a relative for his favorite patient.

Meanwhile, Elliot is fed up with coworkers not taking her serious and discovers, that she can get her way by flaunting her femininity with some help from Carla and Jordan.

Elliot begins enjoying luxuries since she has extra money with her new private practice gig. But eventually, J.D. becomes jealous of her and that forbids him the use of these privileges.

Dr. Cox and the Janitor become roommates in one of the hospital suites, while Turk tries to convince Carla that she has postpartum depression and that she needs help.