Count Lyle returns to London from Egypt, where he was excavating tombs, and soon meets an old acquaintance, Olivia Wingate-Carsington, at a ball. This attractive beauty always had the ability to unsettle him, involving him in her scandalous plans. And now, years later, her character has not changed. By chance, Lyle and Olivia find themselves in a gloomy Scottish castle full of dangerous secrets, and unexpectedly discover an amazing truth: the greatest danger lies in their own stubborn hearts...