A boy's parents reluctantly heed a doctor's advice to perform a risky operation to remove a brain tumor; a plastic surgeon describes reconstructive surgery that aims to transform the face of a boy who was disfigured by the excision of a tumor when he was a baby; a little girl's family considers her future after a near-drowning leaves her with minimal brain function; third-year medical students discuss the appeal of a career in medicine; an ER physician treats a succession of traumatic injuries.