In Dartford RU team Special Constable Roisin and Paramedic Katy are called to the scene of a suspected terrorist bomb, in a busy shopping centre. Elsewhere in Medway, Special Sergeants Dean and Ben deal with a knife fight, where the instigator of the fight is carrying a machete and puts up resistance to a search, causing a difficult arrest. Returning from golf, a man driving on a Kent lane loses control of his car, ploughing into a telegraph pole and bringing down a suspected live wire above the road. After a woman falls and hits her head in the middle of a main road, Paramedic Kat and Special Officer Jack treat her and suspect she may have a bleed on the brain.

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.