Shot of signs "Calgary Civil Defence Control Centre", "Civil Defence Route", "City of Calgary Civil Defence Operation Lifesaver Assembly Point", traffic speeding by in background. MLS and closer LAS of siren atop pole. MS of large siren spinning rapidly atop building. Shots of signs "Civil Defence Warden" and "Civil Defence". Shot of Civil Defence workers drawing supplies, helmets, provisions. Shot of sign "Emergency Communications by Calgary Radio Amateurs" on car, short PAN to car occupants. CU of message being received and written down. MS and CU of Calgary area zoning wall map, of various pamphlets on desk, hand and pencil indicating various details in orders. Shot of Operations Commander sitting at his desk, receiving message from Boy Scout. Various shots inside Civil Defence Control Centre showing men at work at desks, of large "disposition chart". Shots of crowd at assembly point, of bread line receiving victuals, of food being handed out, of people eating. Various shots of Civil Defence High Commander shaking hands, chatting, inspecting, of General Worthington.