In an effort to save Hope, Ryn and Ben confront Tia in an undersea battle between the mermaid tribes. Maddie and Robb work to find a cure for Xander. Helen and the hybrids help.....
Eline Powell, Alex Roe, Fola Evans-Akingbola, Ian Verdun, Rena Owen, Sibongile Mlambo
Drama, Fantasy