Air Zermatt's teamwork is tested when a skier falls into the darkness of a 30-meter-deep glacial crevasse; the team must pull him out from the depths before the ice shifts and encases him in a frozen tomb.

The Matterhorn and surrounding mountains can be treacherous, but for rescue service Air Zermatt it's home; as rescue veterans, the team have learned to put their emotions aside to get the job done.

During a rescue, lead pilot Sam senses something wrong with the helicopter and must decide whether or not to land; a life-or-death situation in the Air Zermatt hangar tests the skill of medics.

During the peak winter season, adrenaline seekers from around the world descend upon the Swiss Valais Alps. This creates a relentless cycle for the rescue crews of Air Zermatt as they field up to 25 rescues a day, often without any breaks.

Technology has come a long way since the original Lama helicopter, and Air Zermatt has revolutionized mountain rescues by making journeys safer and more efficient.

When a major storm shuts operations down, an isolated hiker must find his own way out of a dire situation.