When three evil sisters, Mitzy, Mabel and Margo, magically steal the Charmed Ones' identities and powers, Piper, Phoebe and Paige must convince Chris that they are the real Charmed Ones in order to get their lives back. Meanwhile, Piper realizes that Wyatt needs time with Leo; Phoebe and Jason sort out their feelings; Paige learns that magic will always be a part of her life; and Leo continues on his quest to find out who put him on the Island of Valhalla.