So Nixie and Lyla will not be in Season 2. They have returned to the sea to live a new life. Follow them as they venture around the world's oceans, making new friends and enemies wherever they go.

This story will tell the history and the truth behind the great battle between mermaids and mermen.

What if Zac's transformation on the full moon during the night when the girls were banished wasn't exactly an accident? And that Zac is Aquata and Sirena's long lost half brother? Find out more as Zac and Sirena try to be a family, and when they find out that their father is an evil merman who is planning on taking over Mako for himself.