The Valley of Shadows

When a raid uncovers laptops belonging to an Al-Qaeda cell, the threat of coordinated attacks on five U.S. cities with devastating weapons looms on Election Day. Homeland Security troubleshooter Derek Stillwater joins a specialized task force to find the terrorists and prevent disaster within a tight two-day window. As they race against time, Derek begins to suspect that the real threat may be lurking elsewhere, potentially linked to a presidential candidate.