Piper, Paige and Leo struggle to convince Phoebe, now a mermaid, to come back to her life as a Charmed One, when she decides to "swim" away from her problems with Cole. Meanwhile, Piper casts a spell to stop her panic attacks but instead of facing he... (more)r fear, she suppresses it, endangering herself and her baby, when a sea Demon comes after her mermaid sister, Phoebe. In order to help Phoebe, Paige takes drastic measures and enlists the aid of Cole, and his newfound demonic powers.

Amanda Sickler, Judson Scott, Nancy O'Dell, Patrick Gallo, Tom McCleister