De tre systrarna Halliwell, ättlingar till goda kvinnliga häxor, kämpar mot onda krafter med hjälp av sin kombinerade häxkraft som kallas "The Power of Three".
On Halloween, the sisters are pulled back in time to the 1600s to save a witch and her soon-to-be-born child from the hands of an evil witch who wants to raise the child evil.
S3A4 42 min