Alex Taylor, a team leader at the Canadian Intelligence and Security Establishment, is tasked to spy on an unemployed shoe salesman who is potentially a Chechen operative. Lesage anonymously gives the Chechen a model train starter kit to enliven his dull life. When Alex sees the surveilance video she believes that the friends who are visiting are using the model train as a cover for a bigger terrorist conspiracy until she gets the translation of video which confirms they are 'nerds playing with trains'. A moment later Burt mistakes modelling clay for C-4 explosives. The A team, led by Alex's ex-boyfriend Peter, are tasked to take down the Chechen and his friends. After Lesage informs Alex that it is not explosives and says that the Nathan, the new kid on the team, gave the Chechen the train set Alex confesses to everyone that there are no explosives and it was all a mistake.
NISA Team Leader Alex Cranston is captured by uranium smugglers, who bring in a freelance torturer enhanced interrogation specialist (the eponymous "Doctor") to question her. The matter is complicated by the fact that Agent Cranston discovers that the torturer enhanced interrogation specialist is someone from her past. The remainder of the report will cover the team's attempts to locate and recover Cranston.
Alex is tasked with assassinating an assassin, a mission that becomes more complicated when her carefully laid plan backfires: JoJo's poisoning efforts go awry, a civilian ("Jeff from Paperclip Depot") gets involved and Claude goes rogue. With JoJo's life hanging in the balance, it all boils down to Alex and her sniper skills to take out the killer. That, and an elevator.
When hackers threaten government systems, Alex teams up with a hot, young cyber analyst to keep the servers safe. But when their relationship heats up at the office, Peter begins to question Alex's judgment. Claude and Burt take a road trip to farm country, where an unfortunate mishap has Claude worried about being put out to pasture.