Observational documentary series following the Yorkshire Air Ambulance service as its paramedics, doctors and pilots respond to emergencies. Helimed 99 is involved in a life or death race to reach a walker in cardiac arrest. A freak accident with a llama leaves a woman facing a terrible head injury. A day out in the Dales ends in an accident for one visitor requiring the local mountain rescue team And a boy’s holiday in the Yorkshire Wolds is ended by a footballing accident that leaves paramedic