Witches can't run away from their legacy, at least not the Halliwell sisters -- Prue (Shannen Doherty), Piper (Holly Marie Combs) and Phoebe (Alyssa Milano).
Paige creates havoc when she mixes potions that switches her body with Phoebe's and must battle evil that has opened a portal between two worlds.
S4E4 44 min