Award-winning documentary following the North West Ambulance Service as they care for the people of Liverpool and all across Merseyside. The control room experiences a spike in calls for patients with breathing difficulties, and when Sherilee talks to a daughter calls whose mother has chronic obstructive pulmonary disease, it proves tough for the call handler as her own mum had the same illness. Meanwhile, call handler Brogan has to guide a caller through lifesaving CPR while they wait for an ambulance, and there's a full emergency at John Lennon Airport when a plane loses contact with air traffic control.