The team receive a call-out for an elderly man who's missing in dense bushland on Sydney's northern outskirts, but with temperatures soaring, it's a race locate him before severe dehydration sets in.

The officers attend a call-out for a female bushwalker suffering crippling back pain; a man suffers potentially serious head injuries after falling 6m down steep stairs.

Specialist Police Rescue bomb technicians travel to a secret location in the NSW countryside to detonate surrendered explosives used in the mining industry.

On New Year's Eve in Sydney, when hundreds and thousands of people turn out to witness the fireworks displays, the police don't have time to party.

Follows police rescue and bomb disposal teams saving people in extremely high-risk situations. From sheer cliff and mountain rescues and counterterrorism, police risk their own lives to save those of others.

The recruits must overcome their fears to complete a challenging 60m abseil down the side of the Sydney Harbour Bridge.