Montae Russell

Benton and his attorney begin a battle in court for custody of his son; a distraught man must decide whether or not to allow surgeons to harvest organs from his terminally ill wife.

Dr. Carter deals with heavy-metal roadies following a concert accident; chief resident Chen panics when she is overwhelmed with patients.

A patient pulls a gun on Dr. Chen and other staff members, prompting Dr. Carter to lead a walkout when his request for metal detectors is delayed; Dr. Kovac treats an HIV-infected boy whose parents spark his curiosity.

Dr. Lewis returns to County General and clashes with the staff; Greene treats a man whose frantic daughter crushed him with her car.

Dr. Corday operates on a man who has a flesh-eating infection; Pratt takes offense at some of the Halloween costumes he sees in the ER; a new surgical intern (Don Cheadle) has a daunting physical handicap.

Dr. Carter, Abby and other staff members are quarantined as the Centers for Disease Control and Prevention probe a mysterious and deadly outbreak.