When CSIS sends a suspect to Syria to be tortured the elite ICS, Squad must race to prove him innocent.

ICS Agent Gray Jackson butts heads with a beautiful U.S. Homeland Security Agent when their undercover operation at a Mohawk casino goes awry.

A U.S. rendition flight crash-lands in rural Quebec and ICS must recapture three terrorists before the Americans forcibly intervene.

When Gray and Layla bust a human-trafficking operation, they follow a grisly trail to an old adversary.

ICS must find a sadistic kidnapper before he auctions off his 12-year-old victim on a pedophile website.

Kessler discovers a Croatian war criminal has been granted amnesty, and must struggle with demons from his own past in Bosnia.

Three American army deserters claim refugee status in Canada, and ICS must deal with the personal and political fallout.

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In a Toronto coffee-shop, an African refugee recognizes the brutal Congolese warlord who raped her and enslaved her son. As they struggle to keep the warlord behind bars, ICS uncovers a deadly conspiracy that links coltan smuggling in the Congo to a powerful multinational based in Canada. Hard-nosed politico Jack Hardacre takes over as Minister of Public Safety, and takes a strong dislike to Kessler. And rebuffed by Kessler, Charlotte takes solace elsewhere.

A kingpin in Mexico's Los Zetas drug cartel is en route to Toronto to meet his new distributors - the ultraviolent street gang, MS-13. Ramon Esteban - the new flame of Kessler's ex-wife Terri - is a Mexican journalist whose articles on Los Zetas have put him on the cartel's hit list. When Kessler, Carver, and Gray attempt to transfer Ramon from Terri's shelter into protective custody, MS-13 launches an all-out attack. Kessler must fight back with an unlikely team of warriors.