As an old friend visits Helen, a new mermaid arrives leaving Ryn questioning their motives. Maddie learns the truth behind Ian’s death, as Ben fights for his mother’s treatments. While…

Sam and Dean investigate a haunting at a theatre.

Julia and Fen investigate a dangerous group of Magicians as Eliot and Margo’s reign is challenged.

Margo makes a bold stand against the Fairy Queen. Quentin and Penny try to retrieve a lost item.