On the day of the King's Coronation, special sergeant Jon and paramedic Alex respond to a call involving an injured and intoxicated male, chaos ensues as they strive to provide care to the man. The team are also called to the aid of a one-year-old baby having a seizure, paramedic Chelsea administers oxygen and an anti-convulsant drug. After a fire breaks out in a garage containing hazardous chemicals, the owner suffers from the effects of smoke inhalation leaving the emergency responders to act swiftly.