Phoebe, in an attempt to move on with her own life, signs a lease for a new apartment, much to the worry of Piper, while Paige considers telling Henry she's a witch.
Billie and the Charmed Ones deal with Christy's return, while a surprise suitor appears to ask for Paige's hand in marriage. Meanwhile, Piper runs into an old flame, and demons plot to recapture Christy.
Two former students of Leo's from Magic School turn up at the manor to inform the Charmed Ones that demons that Leo had imprisoned in the Magic School dungeons have escaped and are seeking revenge.