In the skies above the ancient Scottish city of Dundee, crows are massing. Beneath its streets, a forgotten river runs in darkness, and an ages-old monster slumbers. When the river dries, the creature will wake. In the fall of 1976, teenage student David is drawn by forces he doesn't understand to a city in the shadow of the crow. All too soon he will find himself tested and terrified beyond endurance. Forty years...