Something Wicca This Way Goes

After claiming the Book Of Shadows, Zankou prepares to open the Nexus, and claim its power. In a last ditch effort to stop him, the sisters goad him into coming after them instead. Undaunted, Zankou steals Phoebe's powers, and is able to anticipate the Halliwells' every move. Also, the law enforcement investigation into the sisters ratchets up a notch.