E.R. - Emergency Room

Pratt erratically drives Chen and another passenger as he tries to elude gunfire and crashes into the Chicago River. All three are recovered and hospitalized with serious injuries. Meanwhile, Sam tries to escape from her son's father. Neela makes a surprising entrance into the emergency room. Carter and his girlfriend, Kem, deal with their stillborn son's remains.

Dr. Carter, struggling with unfulfilled dreams and the loss of his girlfriend, slips into a dangerous depression.

The girlfriend of a brain-dead biker with HIV wants to donate his organs to a friend, who is also infected with HIV; Abby orders a drug test on Ray's patient; Corday confronts Weaver over her choice of a surgeon.

The staff treats two small children who fell from a third-story window; Pratt treats a man with an unsightly rash that turns out to be lung cancer; Corday receives discipline for performing an HIV-positive organ transplant.

On Neela's first day back, interns, competing at processing heavy patient loads, make a serious mistake.

Kovac, Abby and Sam struggle to save the life of Charlie Metcalf, whose initial complaint of a stomachache turns out to be much more than anyone had imagined.

A rape victim, barely able to speak, does all she can to help police.

The 15-year-old son of a wounded police officer must make a life-or-death decision; Abby tries to convince a girl with appendicitis to have surgery at County General, but her father wants her transferred elsewhere.

Abby has a dialysis patient who is in critical condition, but she cannot reach his physician, who does not want to be disturbed during the holidays.

Gang members kidnap Abby in hope that she can save a gunshot victim; Ray starts treating a patient, but her request for a new doctor offends him.

Two teenagers come into the ER with gunshot wounds, and when one of them dies, Neela does a poor job informing the next of kin, leaving the woman hysterical.

Carter treats a kidney transplant patient who appears to be having a reaction to a new drug, and when he asks Neela to post questions about the pill's side effects on the Internet, the pharmaceutical company causes an uproar.

Pratt finds a suspicious gash across the chest of a boy he is examining; Kovac treats a man who was shot when he confronted his boss with a gun; Jake tries to convince Abby that his student status shouldn't keep them from dating.

Dr. Weaver meets her birth mother, but their budding relationship changes when Weaver reveals that she is gay; Dr. Carter causes a commotion when he confronts a couple hoping to scam some painkillers.

A soccer mom is rushed to the ER after suffering a stroke.

When hospitals in Iraq are unequipped to help a young girl wounded by a car bomb, getting her to the U.S. proves to be very difficult.

Neela learns that Gallant came to the ER with an Iraqi burn victim; Pratt treats a child who accidentally shot himself with a gun that he got from an unusual source.

A woman on a hunger strike refuses treatment until she has assurance that the INS will grant her son a new hearing on his deportation; Abby suspects a patient is a victim of elder abuse, but she is unable to find proof.

An 85-year-old patient accuses Dr. Carter of killing his wife more than 10 years earlier; Dr. Pratt helps a victim of domestic violence and winds up making a date with the social worker assigned to her case.

Newly appointed chief resident Morris clashes with Pratt as they deal with casualties from an apartment fire; Lewis takes out on Carter her frustrations about not getting tenure, and Weaver's attempts to calm Lewis make things worse.

Pratt rages at Neela for performing a complicated procedure on an infant; Carter reunites with Kem when he rushes to Paris after learning that her mother has been hospitalized.

Disaster casualties flood the ER, which is short-handed because most of the staff is at Dr. Carter's going-away party; Dr. Pratt works up the courage to confront his father, Charlie.