 This series features the adventures of the paramedics of Los Angeles Country Fire Dept. Station 51, John Gage and Roy Desoto. Together they respond to emergencies ranging from false alarms to major disasters. As at this time, the Paramedic program, which is designed to keep emergency patients alive long enough to get to medical facilities, is still a relatively recent service, the paramedics must be guided by licensed medical personnel through radio contact on site. This is where the staff of Rampart Hospital come in with doctors Brackett and Early as well as Head Nurse McCall providing the necessary instructions for the paramedics to do their jobs. In addition to that, we see the work of the medical staff on their own as deal with the medical problems they encounter.