When a young pizza boy named Lenny has his car stolen, Fraser and Ray go undercover at a used car lot to prove that there is something fishy going on, which works... until Ray finds himself underwater WITH the fish!
Ross shows Rachel how to handle the Laundromat, Monica and Joey pretend to be dating so they can break up a couple, and Chandler breaks up with Janice for the very first time.
The air conditioning quits on the hottest day in October which, coupled with closed ERs in two of Chicago's other hospitals, leads to an extremely hectic day. With his wife out of town, Mark is forced to bring his daughter Rachel to work with him. Doug treats a six-year-old suffering from a cocaine overdose. Ivan Gregor, a liquor store owner, shoots and seriously wounds a young teenager. Susan's immature sister Chloe drops by, wreaking havoc in her life. Doug picks up a pharmaceutical representative, much to Carol's displeasure.
