In a world on the brink...

Six men. One sunken Spanish galleon. Millions in gold and silver coins lying on the ocean floor. And a past that refuses to let the guys of Deep Six Salvage forget the Navy SEAL motto: the only easy day was yesterday...

There's more than one kind of treasure...

The nation's security has always been CIA agent Olivia Mortier's top priority. But a mission-gone-wrong has begun to make her wonder if there's more to life than risking hers.

And more than one secret at the bottom of the sea...

Only two things could make Leo Anderson abandon his hunt for the legendary lost ship, La Santa Christina, and return to the world of weapons and warfare he swore to leave behind: a capsule of enriched uranium, lost on the ocean floor, and a plea for assistance from the one woman he can't seem to forget...