b' ?An adrenaline-pumping thriller?("Associated Press") from the #1 "New York\nTimes" bestselling author?first time in trade paperback. \nA missing canister of a deadly virus. A lab technician bleeding from the eyes.\nToni Gallo, the security director of a Scottish medical research firm, knows she\nhas problems, but she has no idea of the nightmare to come. \nAs a Christmas Eve blizzard whips out of the north, several people, Toni among\nthem, converge on a remote family house. All have something to gain or lose from\nthe drug developed to fight the virus. As the storm worsens, the emotional\nsparks?jealousies, distrust, sexual attraction, and rivalries?crackle, with\ndesperate secrets '