Rescue 999: Seconds to Save a Life

This time, the Cambridgeshire Magpas air ambulance team are called to the scene of a traffic accident in Essex. A motorcyclist has collided with a car and the team need to urgently determine whether he has internal life-threatening injuries and needs airlifting to hospital.

In the Peak District, Edale Mountain Rescue team have a tricky emergency evacuation carrying a stretcher up a narrow, rocky pathway after a walker has slipped and fallen down a steep slope, with a suspected head injury.

There's a desperate search in the Highlands for the Assynt Mountain Rescue Team after a pair of walkers are missing on a hike up Ben Klibreck to their campsite. It's a race against time to search the mountain, before both the fog and darkness set in.

And in Hampshire the GAFIRS lifeboat is launched in treacherous rough seas to rescue a broken-down boat severely battered by waves, pushing it perilously towards the shoreline. With a jammed anchor the possibility of towing the boat out of danger becomes a big challenge.

Cambridgeshire air ambulance are called to a serious traffic collision near Wellingborough where a motorcyclist has been thrown from his motorbike with severe injuries. The team work fast to discover the extent of any potentially life-threatening injuries. The casualty is suffering from extensive pain; the challenge for the team is to airlift him safely to the nearest trauma centre for urgent medical care.

Off the south coast, the Hamble Lifeboat crew are tasked to rescue a sailor stranded aboard stricken yacht with her elderly father. A trip down memory lane turns into a terrifying ordeal after engine failure leaves the pair unable to change course and risk being dragged by the tide into the busy shipping lanes on the Solent.

A second air ambulance team is immediately dispatched to a large scale cycling event in Essex where a cyclist has mysteriously fallen from his bike, sustaining a worrying head injury. The rider is highly agitated and the crew suspect a serious brain injury. Under sedation it's a race against time as the team monitor the injuries whilst transporting him to hospital to undergo emergency surgery.

And on the East coast, Hornsea Inshore Rescue crew are on a call out to a stranded jet ski that's dangerously adrift and being dragged out to sea. With an alert of an 11 year old girl aboard, the team urgently need to locate the vessel but with waves rising, spotting a small jet ski in a vast ocean is a challenge.

East Anglian Air Ambulance rush to the scene of a serious road traffic collision with a car ploughed into a tree. The casualty needs extraction from the crushed vehicle and urgent attention to potential life-threatening injuries. With no witnesses to the accident, the team piece together the possible cause of events - a call to the shocked husband reveals the family are waiting at home to celebrate her 50th birthday.

Across the country, Wiltshire Air Ambulance are dispatched to a house where a window cleaner has fallen off her ladder. Trapped in a bush for over an hour and in unbearable pain, the team need to urgently relocate a severely dislocated kneecap. In excruciating pain, the casualty requires sedation increasing the risk of her stopping breathing.

For the Kinder Mountain Rescue, a training session turns in to an emergency evacuation when they receive a call out to the highest point in the Peak District - Kinder Scout. Not knowing the full extent of the injuries, they need to reach the casualty, located just below the summit, as quickly as possible. The quickest and easiest evacuation will be to call in the helicopter but, landing on the rocky sloping terrain will be a challenge.

And off the Cumbrian coast, the Maryport Inshore Rescue crew receive a 4am call to locate a broken-down boat 4 miles offshore. But, as they reach the stranded vessel, the sea conditions dramatically change and they're left negotiating two- metre waves in order to get a crew member aboard...