Beneath the still blue waters off  Key Largo a woman dives into a dazzling array of  color. But behind the shimmering schools of fish,  somewhere in the shadows of the reef, a death trap  awaits. In minutes one life will be expertly,  brutally taken, and another plunged into a mean season  of fury, obsession, and revenge... His name is  Thorn, his world is mangrove islands, open waters, and  the ghosts of a too-violent past. Darcy Richards  was everything to him. Now, finding her killer is.  Wading into a seething mystery, Thorn is  catapulted into a nightmare of violence and deception.  There lurks a sensual young woman with a hard come-on,  an aging former mobster, and a diabolical ex-CIA  man. What they all have in common is each other's  mad ruthlessness -- and a little red fish that will  make some people very rich, and others very  dead...