Major Mike Kessler and his Immigration and Customs Security Squad arrest a Syrian terrorist at the Toronto airport. They also detain the man seated next to him, who may be an accomplice or an innocent bystander. CSIS decides to send him to Syria. (mature subject matter)

A dangerous Belgian arms dealer arranges the theft of anti-tank weapons from a Canadian military base – and they seem to be headed stateside. As they track the weapons, Kessler and LaGarda must contend with disgruntled ex-Airborne soldiers, a criminal mastermind who's three steps ahead of them, and the young truck driver caught in the middle.

Kessler bows to pressure from ex-lover and Cabinet Minister Suzanne Fleischer to arrange the release of three illegal Russian strippers. The story is leaked to the press, and the Squad is exposed to ridicule. When the strippers' Russian boss turns up with a bullet in his head, Kessler unearths a conspiracy that mingles sex, blackmail, and political intrigue at the highest level.

When his daughter Zoe is arrested during a protest at the border, Kessler is suspected of leaking classified information. With his career in peril, and forced to withdraw from the case, Kessler struggles to protect his daughter from nuclear saboteurs.

Shipments of poisoned African heroin are hitting the streets of Toronto. Junkies start dying from the toxic drugs and ICS must race to track down the smugglers.

In southern Alberta, an eco-terrorist sabotages a pumping station, and cracks the mainframe of Westech Oil.