An ambulance bottleneck sends dispatch into overload; officers are called on site to a car crash, where the vehicle is wrapped around a tree.

Paramedics Rick and Amie must rush into action, when they receive a call about a 51-year-old man suffering a heart attack and they are the closest responders.

The paramedics at Bondi have to contend with a deadly drug overdose and an enraged ice addict.

A team of paramedics and a helicopter medical crew rush to save a cyclist with serious head injuries; paramedics scramble to deal with a bunch of party drug overdoses on Sydney's Oxford Street late on a Friday night.

A routine shift turns to carnage for the paramedics as they respond to a devastating crash; a student goes down at the ambulance state headquarters.

The team responds to an airline passenger experiencing chest pain; a workplace incident; an elderly patient in a life-threatening situation.