Danger lurks in the sleepy little town of Marathon, in the middle of the Florida Keys, as well as in the swamps of the Everglades. But danger doesn't expect to run into a man like Jesse. A man who will not only respond swiftly in facing it, but with a vengeance unexpected.

Six months out of high school and just days after finishing Marine boot camp, Jesse McDermitt is finally ready to unwind and have a little fun when he goes home on leave. But everything Jesse remembers—his friends, his family, the sparkling beaches and familiar waters of the Caloosahatchee River and Pine Island Sound, even his faithful Lab, Molly, have all changed.

In 1521, the Aztec treasure, considered to be the greatest ever assembled, vanished from the capitol city of Tenochtitlan. Almost five centuries later, former Navy SEAL Logan Dodge finds a mysterious gold coin off of a secret ledge in the Florida Keys. When he learns the origin of the coin, he goes on a mission to find and secure the treasure for the people of Mexico. But he’s not the only one who’s caught the scent of gold. A notorious Mexican drug cartel known as Black Venom is right on his heels and will stop at nothing to take the treasure for themselves.

When collegiate baseball phenom Chase Fulton suffers a freak injury on the field that shatters his dreams of becoming a Major League catcher, his future looks bleak until he’s recruited into quasi-governmental covert operations, where his training as an assassin and covert intelligence operative launches him into a world fraught with danger, intrigue, and unexpected passion.

It's easy to become invisible in the Florida Keys. Mac Travis was doing his best to keep a low profile: diving, fishing, and enough salvage work to pay his bills. It's a good life until he discovers something while spearfishing that could change the pristine Keys forever.

Charity Styles had been the catalyst for the demise of many. But in the past that usually meant the end of a human life. As an assassin for the CIA, it came with the territory. But this time she feels responsible for the end of her friend’s relationship. She sets out on a voyage to find one of the partners in the hopes of rectifying the rift she helped create. Along the way, she encounters a deadly foe, bent on becoming rich regardless of how many must suffer or die.

Where Jerry Snyder goes, trouble follows. Someone tried to kill him and his bride on their honeymoon in the Virgin Islands. And moving there permanently is proving to be anything but tranquil.

After months of recharging and rethinking her position in the Armstrong organization, Charity Styles is on the verge of walking away, returning to what could be a more normal life. But what’s a normal life look like for a former covert assassin? Then she gets two assignments, which have nothing to do with each other. The first is to ferry a group of people out to a large mega-yacht. When it turns out that one of those people is the girl she thinks of as a niece and the mega-yacht is captained by an old friend, she sets her sails and is quickly underway.

When her position with the government is eliminated, Charity Styles is faced with an uncertain future. The only part of her previous life that she truly enjoyed was sailing her classic sloop. The cruising lifestyle is wonderful and helps keep her mind centered, as she sails from one anchorage to another, looking for her true calling. But there are hidden dangers: marauding pirates, psychopaths, and drug smugglers run rampant throughout the Caribbean, leaving pain and suffering in their wake. In the Bahamas, someone close to Charity falls victim to the brutality.

In the jungles of Venezuela, a land baron controls the native population with an iron fist and a security team with over-indulged libidos and quick trigger fingers. The indigenous people live in fear; all but one old shaman, who has a vision of the future. A vision that includes piranha and crocodiles. Charity's target is a single man. But when she learns of the atrocities committed by the land baron, and the carnage inflicted on the defenseless Wanadi people by his security team, will she stop at that? Can she keep her bloodlust in check this time?