The girl sobbing in 16-year-old Leona Hewitt's bedroom has the same long dark hair as her, the same startled hazel eyes as her, the same stuck-up nose as her. She's identical in every way . . . and she's here to take Leona's place.By a twist of fate, Leona has until midnight on Halloween to outsmart her evil double and steal back her shattered life - and her soul - or forever become a ghost.But all the clues point to a startling truth. To her horror, she's learning the other Leona has more claim to her old life than she does - even to her boyfriend.Could it be that after all this time, everything she knows about herself is a lie?