Rewitched

When Billie uses her powers to save an innocent from a demon who attacks mortals by using a swarm of evil imps to do his dirty work, she is unaware that Agent Murphy is witnessing what's happening. As a result, Murphy suspects that the sisters are not really dead. Billie then causes more problems when she casts a spell that causes Phoebe to speed her relationship up with Dex. The sisters start to regret faking their deaths and with the help of Agent Murphy, decide to drop their secret identities with a convincing cover story.