Synopsis:
Leo is told by the Avatars that he must guard the Seer's life, as she holds the key to ridding them of the demons, and the Charmed Ones begin to reconsider their feelings on Leo's position as an Avatar after the Seer shows Phoebe a glimpse of a demon-free future. The demons decide to unleash their most fearsome member, Zankou, in order to stop the Seer's efforts. Meanwhile, Darryl and Phoebe's hunches about Agent Brody grow more worrisome, while Agent Brody reveals his deepest secret to Paige.