<p><b>The perfect life or the perfect love. You choose.</b></p><p>For as long as she can remember, Sabine has lived two lives. Every 24 hours she Shifts to her "other" life—a life where she is exactly the same, but absolutely everything else is different. In one life she has a sister, in the other she does not. In one life she’s a straight-A student with the perfect boyfriend, in the other she’s considered a reckless delinquent. Nothing about her situation has ever changed, until the day when she discovers a glitch: the arm she breaks in one life is perfectly fine in the other.</p><p>With this new knowledge, Sabine begins a series of increasingly risky experiments which bring her dangerously close to the life she’s always wanted. But just what—and who—is she really risking?</p>