Carter's plan to help an ailing doctor leads to a dead-end - and a decision about his own career path. Pratt intervenes after a burglary lands Leon's pal in the ER, along with the cop he shot. Weaver's ethics are tested even further while setting up a photo-op for a politician hiding a severe condition. Corday is caught off guard by hot-shot new surgeon, Dr. Dorset, and Romano risks his standing at County by overseeing an operation he's incapable of completing.