"Ryan Weller misses the surge of adrenaline from his days as an explosives expert. So, when his friend recruits him for an anti-terrorist organization, he gladly leaps back into dangerous waters. But he could be in over his head when his first mission puts him on the trail of deadly outlaws in the Florida Keys…
Scuba diving for clues among the shipwrecks, he discovers a sinister connection with Mexican arms smugglers. And when the merciless bandits come gunning for his blood, he suspects there may be a threat to the entire U.S. lurking beneath the surface."