(She goes over to him.) (She touches Cole and has a premonition. Paige: Could that work? Paige: Phoebe's premonition happened at night, right? Phoebe: Okay, so if good and evil are seeing eye to eye on this one, who let it out? Phoebe: One with a half a face. Piper: It has to. Piper: Which means he won't stop at just my powers, he's gonna send another demon for yours and Paige's. Seer: If you take in the Hollow, you can absorb the Source's power when he attacks. Seer: The Charmed Ones' power will simply be greater than yours. Something must have happened to her. The Source and the Seer are there. [Scene: An ancient burial ground.
Plan: A: the Seer; Q: Who steals the Hollow? A: the Source; Q: What is the Seer trying to save? A: the Charmed Ones; Q: Who does the Seer discover will destroy the Source? A: centuries; Q: How old was the agreement between good and evil? A: an ancient vapor; Q: What is the Hollow? A: Piper and Paige's; Q: Whose powers did the Seer steal? A: Phoebe; Q: Who has to work with Cole? A: a premonition; Q: What does Phoebe have? A: a demon; Q: What does Phoebe see Cole saving her from? Summary: When the Seer discovers that the Source will be destroyed by the Charmed Ones, he breaks a centuries old agreement between good and evil when he steals the Hollow, an ancient vapor, which he uses to steal Piper and Paige's powers. As this transpires, Phoebe has to work with Cole, despite having a premonition where she sees him sacrificing himself to save her from a demon. Meanwhile, there's more to Phoebe's premonition than meets the eye.