Black Jack Point

They found Whit Mosley's missing friends at Black Jack Point - dead and buried, along with bones and relics from a legendary past. When Whit opens an inquest into the murders, he's plunged into a shadowy world of ruthless treasure hunters and double-crossing tycoons - all chasing a long-lost fortune in emeralds and gold.
His only ally, police detective Claudia Salazar, is kidnapped at sea and held hostage in a deadly game of betrayal and greed. To survive, both Claudia and Whit must stay one step ahead of their common enemy - a desperate killer far more dangerous than any pirate of old...