The paramedics are med-evacked to Catalina Island via Coast Guard helicopter to assist in a diving accident, where the patient is treated in a hyperbaric chamber, and coordinate with Dr. Early at Rampart, when the diver suffers a heart attack. After Chet gives Johnny a hard time about his cooking skills, the Squad investigates a kitchen fire at a famous chef's home. A youth suffers a serious gunshot wound that may leave him paralyzed and end his days as a dancer, and he grows very hostile with Drs. Brackett and Early. The firefighters assist with victims of a structure fire that resulted in a dust explosion.