Far out in the ocean live the Shell-Keeper mermaids. While the rest of the world sleeps, one little girl joins them for some magical mermaid adventures.Molly is like any other little girl when her family move to Horseshoe Bay. So when her gran gives her a pretty shell necklace, Molly never dreams it could be enchanted ...or that she could become a secret mermaid. Can you keep a secret? By day, Molly Holmes is just like any other little girl, but by night, she becomes the secret mermaid, in this magical new series.