Jennifer and Catherine have inherited one of the largest communications empires in the world, but the two sisters could not be more different: Catherine is an extraordinary beauty whose looks attract the most handsome and powerful men. Jennifer is a plain Jane who is the brains behind the company. When Dan, a sexy film star who wants to make the transition to power producer, begins to woo Jennifer, Catherine's protective instincts are triggered: is he really after Jennifer for her money and connections? Or is Catherine just jealous that the ugly duckling has finally met her man? What begins as a rivalry between sisters becomes a chilling novel of psychological suspense in which one sister finds herself alone on a yacht at sea, forced to defend herself from a terrifying killer in league with her sister. But which sister?