This gripping novel follows Sarah Mathews, a successful woman with a loving family who suddenly finds her life thrown into turmoil when a DNA test confirms her suspicions that her identity is a lie. Struggling to come to terms with her newfound reality, Sarah is pushed over the edge with the arrival of a stranger who brings unwelcome news. With her comfortable world in chaos, Sarah is left with one lingering question: 'Who am I?' If you enjoyed Jodi Picoult's My Sister's Keeper, you'll love this page-turning story of identity and family bonds.