"Sabotage" - On the day of "Red One" Canada's defences are on standby – Avro CF100 Canuck crews 'scramble' – hypothetical war scenario. Dramatised fictional reconstruction of how Canadian forces failed to stop air attack. Failure of security personnel to check a visiting "officer" onto flight line. Elsewhere, saboteurs attack a radio transmitter site. Saboteurs attack aircraft on flight line. "Visiting Officer" plants devices on aircraft in hangar. Fuel supply is attacked. The briefing about security resumes with steps to maintain Canada's ability to fight and countermeasures against sabotage.