A malfunctioning air conditioner and an overload of patients bedevils the ER during a stifling heat wave. In other developments, Lewis (Sherry Stringfield) is thrown off balance by a visit from her young, irresponsible sister, Chloe (
Kathleen Wilhoite). Carol (
Julianna Margulies) is upset by Doug's (
George Clooney) girl friend
du jour. And when Greene (
Anthony Edwards) brings his daughter, Rachel (Yvonne Zima), to work, she realizes with startling suddenness that her dad is far from omnipotent. ~ Hal Erickson, All Movie Guide