"The clock is ticking -- every attack is less than 24 hours away. FBI agent Noah Reardon is at the center of the most devastating series of attacks in U.S. history. Singled out and taunted Reardon and his team attempt to thwart the next attack. Everyone struggles to understand how the attacks are linked to his time in Afghanistan or if it is simply a ruse to throw off the investigation. Every day brings more unrelenting destruction and pressure builds...