A young woman assumes the identity and memories of another girl that died years earlier.
The young woman is from Chicago, but this happens while she is out of town, in the smaller town the dead girl was from. She recognizes the dead girl's mother, father and dog. The dog seems to recognize her.
The doctor, the dead girl's mother and father, and the young woman's real mother all agree that the girl should move into the home of the dead girl for a while.
She relives her sixteenth birthday, the day she fell down some stairs and died.
This time the dead girl's father catches her, and she doesn't die. At that point the girl's real memories return.