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".
Leo is shot by the arrow of a darklighter, and asks the sisters to help to protect a girl that is being targeted by the darklighter. Piper casts a spell to swap her powers with Leo's but mistakenly the spell causes Prue and Phoebe's powers to swap.
S1A21 44 min
