H2O Just Add Water: Eternal Tides

Thirteen years ago Rikki, Cleo and Emma became mermaids! And their lives were never the same. They faced challenge after challenge together, and always pulled through.
Now though, their lives are very different. Having gone their separate ways the girls have built their own lives.
But the sea is always calling. New dangers lurk. Secrets await discovery.
Life as the mermaids know it is about to change forever.