For debutante Vaughn Monroe, joining the clandestine IR-5 Agency, a group trained to infiltrate the enemy by becoming one of them, was her true calling. Vaughn's pedigreed background came in especially handy when their latest mission concerned an old friend involved in a dangerous game of international weapons dealing. Back in the high-society world she'd tried to leave behind, Vaughn relied on high-tech training and her seductive "husband," M. T. Stone, to help accomplish her mission. But the price of proving she was more operative than heiress might be more than she ever expected to pay.