Satoko lives happily with her husband, baby daughter Haruko and parents-in-law. One day, Satoko loses her husband and daughter in a tragic accident. Soon after, she meets a crying a baby girl and calls her Haruko.
10 years later, Satoko lives with Haruko and her childhood friend Yoriko. Satoko has raised Haruko like her real daughter, but she discovers something shocking about her dead husband...
