Monsoon season brings new dangers; Ryan battles the elements while racing back to Lukla with sick climbers; Andy is plunged into a deadly blackout while flying to rescue a climber with a life threatening head-injury.

Ryan confronts an uninvited climber trying to hitch a ride at 17,500 feet; Jason attempts his highest ever rescue; Lorenz learns some grim realities of flying in the Himalayas.

Jason and Siddartha attempt a mission to prevent deaths along the treacherous Ice Fall, the most danger mile on Earth; Ryan battles violent wind to rescue a climber from base camp; Lorenz has just minutes to save a local man with a head injury.