After vanquishing a Manticore demon, Piper, Phoebe, and Paige become foster parents to its orphaned half-breed infant, whose human father Derek (Seth Peterson) holds Piper hostage until his son is returned. Upon Chris' plea to vanquish the child, the sisters come to believe that, by raising the child with love, they can change its destiny. Meanwhile, Phoebe surprises her boyfriend Jason when she responds to feelings he has not expressed yet, and Paige gives Darryl a superpower.