When a powerful sorceress casts a spell to switch bodies with Phoebe in order to attack Zankou and his followers, Phoebe is stuck in the Underworld. As a result, of the switch, Phoebe is stuck in the sorceress' body when her sisters vanquish her. Meanwhile, Paige gets her first official Whitelighter charge and tries to persuade him to use his powers as needed. After a few demon attacks at P3, Inspector Sheridan suspects that the sisters are up to something, especially after a deliveryman gets injured.

Through the help of an evil alchemist, Zankou is able to cast a spell on the sisters to face the innocents they lost, thinking that it's the best and easiest way to weaken them and gain control of the Book of Shadows. Inspector Sheridan grows increasingly suspicious of Darryl after seeing him help Phoebe and tries to get him to confess that the sisters are evil. Paige get a new charge: a future Whitelighter and attempts to get her to continue down her path of goodness.