50 SHADES meets David Fincher's THE GAME. Soon to be a major motion picture! Would you kill a total stranger to save someone you love? Sugar Spice is the latest app craze taking the world by storm, but for Abby and Brendan Hollander, downloading it leads to a dangerous game of life and death. When the app assigns them a series of increasingly taboo tasks, they soon find themselves caught up in a twisted web of seduction and violence in this sexually charged dark thriller from the New York Times bestselling author of The Fourth Monkey—master of suspense, J.D. Barker. "J.D. Barker is a one-of-a-kind writer and that's a rare and special thing. Stephen King comes to mind and Lee Child, John Sandford. All one-of-a-kinds. Don't miss anything J.D. writes."—James Patterson, #1 international bestselling author