ABBY AND DR. ROMANO GET TROUBLING NEWS WHILE TEEN GIRLS ARE STRUCK BY ERRANT AUTO

Abby (Maura Tierney) is distraught when she learns that her mentally troubled brother is missing while flying over the Great Lakes, a desperate Dr. Romano (Paul McCrane) gets some depressing news and the hospital staff is confronted with numerous teenaged girls who are run down by a fellow female student suffering from a rare disease that might have caused the tragedy. Elsewhere, Dr. Chen's (Ming-Na) relationship with Dr. Pratt (Mekhi Phifer) takes a new turn; a daughter wants to take extreme measures to keep her extremely elderly mother alive; Dr. Weaver (Laura Innes) gets a promotion from a grateful alderman (guest star Bruce Weitz, "Hill Street Blues") and Dr. Lewis (Sherry Stringfield) ponders her pending blind date with a hunk. Noah Wyle and Sharif Atkins also star..