The station responds to a fire that proves to be in a trash dumpster. John gets everyone but Roy excited about buying into a nearby hot dog stand, which burns down just as Roy shows interest. A man suffers a heart wound from a nail shot from a power lawn mower; before he undergoes surgery, Dr. Brackett tells the man to save all his reactions for the judge. John and Roy rush a baby who stops breathing to Rampart in the Squad, and Dixie and Dr. Early rush to save her. The firefighters save people trapped in a chemical fire that turns explosive.