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 can’t wait to return to the Undersea Kingdom as a secret mermaid. Swimming with dolphins and diving for treasure is so exciting! But first, Molly must help her mermaid friend Ella find her missing enchanted shell – before it falls into the Dark Queen’s evil clutches. 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.