Multiple 999 calls come in for a patient who has been struck by a car so a decision is made to send the helicopter crew. Unfortunately the chopper is grounded by freezing conditions and the scene is 45 minutes away by car. Paramedics Cassie and Ray to a patient who is short of breath, only to face a dilemma, and advanced paramedic Jon responds to an urgent call to a homeless man who no discernible pulse after spending the night in a van.
