Homicide Lieutenant Seth Buchanan prides himself on cold logic and total control. He never lets a case get personal. But his newest murder investigation takes a shocking turn when the victim-notorious heiress Grace Fontaine-strolls through the front door, very much alive.

Grace harbours dangerous secrets. She holds one of the legendary Stars of Mithra, a priceless blue diamond that a ruthless killer will do anything to claim. Seth knows Grace is a wild card he cannot afford to trust. Yet, as mutual suspicion gives way to an undeniable attraction, keeping his distance becomes impossible.

Even with danger lurking in the shadows, Grace refuses to share the full truth about the gem or the danger closing in on them. As mistrust flares, Seth and Grace are forced to work together to solve the case. But keeping the captivating socialite safe might be the least of Seth's challenges. For the controlled lieutenant, the hardest battle of all will be protecting his own heart...