Isabel Garth chooses to ignore the warning of Thora, Stromness's self-styled witch. Far north off the Scottish coast, the windswept Orkney Islands are fertile ground for superstition, with their mysterious rings, stone circles and Viking graves. But, her father's recent death in America only makes Isabel more determined to sketch the scenes that will illustrate his journal of a magical boyhood on Stromness. Soon, a series of frightening accidents forces Isabel to admit that someone does want her gone - perhaps forever. Hidden on the Island is a fabulous Viking treasure, and too many people believe that Isabel knows where it is. When she stumbles upon a dead body, Isabel vows to find the killer. But the stark beauty that surrounds her hides the deadliest secret of all - and amid the craggy cliffs and crashing waves of Stromness, a killer is stalking his most innocent victim...