When the fishing boat she is on is rammed by a freighter, Pirio Kasparov finds herself abandoned in the North Atlantic, surviving nearly four hours in the water before being rescued by the Coast Guard. But the boat's owner and her professional fisherman friend, Ned, is not so lucky. Pirio can't shake the suspicion that the boat's sinking was no accident. And with the help of a curious journalist, she begins unraveling a lethal plot.