Charlie stores his speedboat he's trying to sell at the station; the firemen decide to chip in to buy it. Roy & John are medi-vac'd via Coast Guard helicopter to rescue two boaters from Catalina Island. The firemen help a bookie who is having a heart attack trying to answer dozens of ringing phones, before Dr. Brackett and Dixie treat him, later a lab explosion of Sodium azide starts a fire at Rampart, injuring several people, including Dixie, who burns herself.