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.