Natalie and Leonard comfort a schoolboy who has fallen metres out of a tree and landed on his head. Cam fights to save a father in cardiac arrest. Matt and the flight crew race to a fellow paramedic bitten by a deadly brown snake, but reaching her in a remote location proves to be almost impossible. And Mike and Eamon get the call to support a young woman with a debilitating yet all-too-common condition, endometriosis.

Thousands of calls come through each day to Victoria's ambulance service; Nat and Leonard head to a hotel pool, after a romantic escape ends in disaster for a young mum; Eamon and Mike treat a traumatised child attacked by a dog.

In rugged bushland, a car has crashed one hundred metres down a ravine. Rescuing the injured driver turns into a nightmare for flight paramedic Ray. And can a teenager survive a terrifying fall through a skylight.

Every twelve seconds across Victoria, a call for help is made to emergency services. Simon and Michaela perform a high risk intervention on a seizure patient. Cullen races to a man with horrific injuries from a horrific crash.

Cullen faces every parent's nightmare as a six-year-old child is hit by a car. Simon and Michaela battle to help a man whose pacemaker is misfiring, sending agonising shocks through his system. Tanie and Marlie fear for their safety.

A 38-year-old man has suffered a massive attack while enjoying a day off with his wife in their spa. A teen footballer has collapsed after a bruising tackle. Eamon's charm offensive might not work with feisty 94-year-old Miffy.

A 76-year-old motorbike rider suffers horrific injuries after catapulting into trees; Al and Cam race to a lung cancer survivor gasping for air; Mike joins the 'fun' ambulance to help ill children escape from their daily challenges.

Steve and Emily are ready for anything as an office worker is hot and dizzy and down to his undies; Eamon is unimpressed with Mike's fashion sense; a former gravedigger surprises Cullen by laughing in the face of death.

Steve races to remote bushland where a huge tree has fallen and crushed a man's leg. Cullen takes drastic action to save a critically ill patient. Homesick Emily 'adopts' a Nanna for the day, when she and Steve help a much-loved Gran.

In a horror high speed crash, a young woman is thrown out the rear window of her car. Steve is forced to take drastic action to try to save a critically ill patient.