From New York Times bestselling author Tess Gerritsen comes a harrowing and emotional thriller where ghosts of the Cold War return with a vengeance--and cannot be outrun.When a renowned disease expert and Russian defector dies mysteriously during a global affairs conference in Purity, Maine, the tight-knit band of former spies in the Martini Club once again sees their quiet coastal retirement interrupted by international intrigue. And when a housekeeper at the conference hotel is found murdered, Ingrid Slocum sees chilling links to a disastrous mission that nearly killed her three decades ago.Desperate to uncover the truth, Ingrid's drawn back into the game by a magnetic ex-CIA colleague--and former lover--who was with her on the long-ago doomed mission. He convinces her to join him, and together they head to Amsterdam to track down her would-be killer.Ingrid's frantic husband Lloyd and Maggie Bird are close behind, but a clandestine network of assassins is intent on stopping them. For