St. John Critical Care Paramedics from the Northern Emergency Services Trust find a motocross rider near death in a remote forest; a fishing-boat miles out at sea is no place for an agonizing medical condition.

A man is at risk of losing his leg after an accident involving a boat propeller; another needs to be airlifted to hospital after a mysterious accident involving his tractor; a woman is on a ketamine high after a painful ankle dislocation.

The Auckland Rescue Helicopter crew are dispatched to a critical situation when a drag racer smashes into a concrete wall at 225kph.

New Zealand's first responders make the difference between life and death, using helicopters, boats and ambulances to transport critical patients to safety in the most precarious situations.

A young mother's world comes crashing down when her toddler is pulled unconscious from a swimming pool; the Northland Emergency Rescue Trust chopper is summoned after a head-on collision; a woman takes a terrible fall on a South Island tramp.

An Auckland surfer suffers from a cardiac event in the water off Mangawhai and needs to be transported to hospital by a chopper; a woman falls from her motorbike but the rescue mission could be compromised; a family trip to the beach goes wrong.