As their infant son's fate hangs in the balance, Luka and Abby struggle to make the right decisions and keep the faith. Maggie arrives, determined to help. Luka's status seems uncertain as the hospital board considers a permanent solution to the Clemente affair. Sam returns, unsure of what the future holds for her. The ER struggles to get back to normal, as old staffers play new roles, and new personnel come on board.