New York Times bestselling author Jodi Picoult is widely acclaimed for her ability to tap into the hearts and minds of real people. Now she explores what happens when a young woman's past -- a past she didn't even know she had -- catches up to her just in time to threaten her future. Delia Hopkins has led a charmed life. Raised in rural New Hampshire by her widowed father, Andrew, she now has a young daughter, a handsome fiancé, and her own search-and-rescue bloodhound, which she uses to find missing persons. But as Delia plans her wedding, she is plagued by flashbacks of a life she can't recall. And then a policeman knocks on her door, revealing a secret that changes the world as she knows it. In shock and confusion, Delia must sift through the truth -- even when it jeopardizes her life and the lives of those she loves.