Complete story — includes the ending
After being warned about the chameleon demon by Cole, Piper wants to give the source an agreement of peace. When Piper, Phoebe, and Paige go to vanquish a demon, The Source kidnaps Piper and tries to brainwash her. The Source sends Piper into a deep coma, where she perceives an alternate reality thanks to a demon named Alastair. Everyone in Piper's alternate reality plays on her deepest desire. Phoebe and Paige must find a way to return her to reality and save her from giving up their powers while she is delusional. Leo ultimately comes and heals Piper's mind which brought her back to reality.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, Charmed season 4. HTML formatting and reference markers removed. · Content license