From the author of the "full-throttle thriller" (A. J. Finn) No Exit --a riveting new psychological page-turner featuring a fierce and unforgettable heroine. Three months ago, Lena Nguyen's estranged twin sister, Cambry, drove to a remote bridge seventy miles outside of Missoula, Montana, and jumped two hundred feet to her death. At least, that is the official police version. But Lena isn't buying it. Now she's come to that very bridge, driving her...