This book is about a girl who loses her twin sister in a traumatic drowning when they were young. Her father then runs away after it, divorces her mother and leaves her. She hasn't talked to him since that day but she wants to know what went wrong and where he is, she wants to see her father again. So, she goes on to a psychic to try to find out where he is, that didn't work, however, the psychic told her that her twin sister, the one that drown, is "very much alive". Now, she goes on to believe that maybe her sister isn't dead after all. But how could that possibly be true? She hires an investigator to try to find her father and she gets a few numbers and addresses. Conveniently, her friend is going up to stay with her father near one of the addresses that Sam received. She wants to know, "is this the real guy?" and "could my sister still be alive?"