After days of unnatural silence, the Halliwells find trouble hidden in an old silver locket in the attic. When Phoebe touches it, she is hit with a vision of a frightened teenage girl surrounded by dark, unstable magic. Believing the girl may be a demon, Piper, Paige, Leo, and Phoebe set out to find her before anyone gets hurt. But as the mystery deepens, Phoebe begins to wonder if the girl is truly evil—or just terrified of powers she does not understand