The perfect life or the perfect love. You choose. For as long as she can remember, Sabine has lived two lives. Every twenty-four hours she ‘Shifts’, living each day twice. She has one life in Wellesley, Massachusetts... and another, completely different life in Roxbury, Boston. In one life she’s surrounded by glamorous friends and dresses in designer clothes, in the other her family struggles to make ends meet. In one life she’s a straight-A student with the perfect boyfriend, in the other she’s considered a reckless delinquent. All Sabine has ever wanted is the chance to live one life. When it seems like this might finally be possible, Sabine begins a series of dangerous experiments to achieve her goal. But is she willing to risk everything – including the one man who might actually believe her?