The sisters come to the aid of Mylie,a Mermaid-turned-human on the run from the Sea Hag who in turn needs the mermaid for the evil Necron. In trying to help her,Phoebe is turned into a mermaid..
Paige turns to Cole for help in finding Phoebe..
A witch takes control of fairy tales resulting in Phoebe attending a ball as Cinderella, Paige has a taste of Snow White's poisoned apple, and Piper encounters a big, bad wolf, as Little Red Riding Hood !(sorry one part missing)