Part of a small demon lair in Las Vegas, tattooist Harper Wallis lives a pretty simple life, if you discount her 'colourful' family. That changes overnight when she discovers that her anchor - the one demon who can ensure she never goes rogue - is Knox, a guy who's rumoured to be the most powerful demon in existence. Knox wants his anchor; he also wants Harper in his bed, and he's used to getting what he wants. As far as he's concerned, he'll have...