When a vanquishing spell goes awry while the Halliwells try to destroy the 4 Horsemen of the Apocalypse, Prue and one of the Horsemen become trapped in a vortex.Piper and Phoebe enlist the help of the three remaining Horsemen to free Prue and the fourth Horseman before the vortex closes, and both are killed.
Meanwhile, Leo must decide whether to become an elder or stay with Piper & Wyatt.
But when the girls realize what Zankou is up to, they are forced with a life-altering decision: sacrifice their powers or their lives.
Phoebe and Paige go to a summit meeting with the leaders of evil and discover that all magic - both good and bad - has disappeared enabling the leaders to steal Piper's about-to-be-born baby and welcome the twice-blessed child into the kingdom of evil.
Quote from Holly Marie Combs on 'The Women Of Charmed': "My character is the middle sister.
She's somewhat the peace maker, she's always worried about something.