A police task force in Quebec City undertakes the suspenseful, chilling arrest of a suspected child pornographer. Canadian Forces fighter jet pilots in Cold Lake engage in a thrilling mid-air dogfight to test their response in the event of enemy attack. A Commercial Vehicle Inspection Officer engages in high-speed pursuit of a truck on an Alberta highway — and finds trouble with his load. And a Hamilton mental health worker and her police officer partner search for a man who has reportedly been collecting weapons.