A USA Today Bestseller! Iris Tarango is a small-town girl from the wrong side of the tracks; she's also a decorated former Marine who fought hard to become one of Red Stone Security's most respected agents. But her perfectly ordered life is turned upside down when she's assigned to guard the sexy, dominating tycoon she shares a secret history with. The instant Iris walks back into the billionaire's diamond-studded orbit, the wild attraction flares...