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".
When Piper switches powers with Phoebe, to allow her to see the vision of the utopian world, Zankou interferes, and causes their powers to be transferred to innocent bystanders, who run amok.
S7A11 41 min
