When twelve-year-old Ben moves with his family to a town on the shore of Lake Ontario he finds a friend who seems to be a witch and who helps him meet the problems associated with his moving and with his stormy relationships with his father and big sister.
After moving to a new town, eight-year-old Mallory keeps throwing stones in the "Wishing Pond" but things will not go back to the way they were before, and she remains torn between old and new best friends.