An isolated research station. A storm approaching.There's nowhere to run. But so much to hide.Keen to flee the wreckage of her marriage, Australian scientist Kit Bitterfeld accepts a coveted winter research position at Macpherson Station in Antarctica. On the way there, Kit and her fellow researchers field a distress call from a nearby ship.By the time they reach the vessel, it is on fire and the crew has vanished. A lone survivor is found but he can't remember who he is or what has happened.They bring the survivor, identified as geophysicist Nick Coltheart, to Macpherson but it's clear that something is wrong. More and more of Kit's colleagues are acting strangely. And she can't shake the suspicion that Nick knows more than he's letting on. With the winter darkness setting in, Kit must figure out the truth before they are completely cut off from the outside world. But is the danger lurking out on the ice, or is it closer than she thinks?