Where do you hide when the world is searching for you?Dr. Maeve Leander and Captain Chris Garrigan are trusting Tilda Watson to keep Alvie, the triplets and their expanding circle of fugitives safe. Not that they have much choice. With dangerous forces within the U.S. government chasing them down, their list of safe harbors is down to one: an island long thought to be only myth. But this new hiding spot is not as secure as it seems. For a new threat has entered the field of battle, a threat not of this Earth. And in this new existence, allegiances are as deadly and changeable as quicksand under their feet.