Ty and Hooten believe Supreme Court hopeful Judge Beverly Nathenson's (guest star Merecedes Ruehl) facial pain is the result of a brain tumor; upon operating, the surgeons discover a diagnosis much more shocking. Michelle struggles under pressure when a difficult E.R. case proves to be more than she can handle. And Sung and Tina disagree over the course of treatment for an obsessive writer suffering from a rare form of epilepsy.