Ms. Hellfire

When the Charmed Ones barely escape an attempt on their lives by a mysterious hit woman known only as Ms. Hellfire, Prue assumes the assassin's identity in order to find out who hired her.  While Piper and Phoebe race against time to protect the next potential target on the hit list Prue's undercover work gets her entangled with a ruthless criminal, who ultimately leads the Halliwell sisters to a confrontation with their old enemy Barbas.

Book of Shadows

Enemies

• Barbas
• Ms. Hellfire

Powers

• Astral projection

Trivia

• The title of this episode is a play on words to the movie Mrs. Doubtfire.