From a USA Today–bestselling author, a billionaire promises a socialite he will save her family's empire if she becomes his lover. Diego de Santo: dynamic, charismatic, he's made millions—and he believes everything is for sale. . . . Cassandra Preston-Villiers: heiress to an empire, she's beautiful and sophisticated—everything Diego's ever wanted in a woman—so he blackmails her into becoming his mistress. But now that he's got Cassandra, Diego wants more—an affair is no longer enough for this hot Latin lover!