While still struggling to overcome nightmares from his past, ex-Navy SEAL Matt Marquette is inadvertently drawn into a terrorist conspiracy when his boat is destroyed and people are killed. Within hours, Matt's quiet life in Puget Sound is shattered as he becomes the center of a police manhunt and the target of assassins determined to reclaim what Matt found among the wreckage--a doomsday device. Armed with his SEAL training, Matt must undertake the most critical mission he's ever faced.