Time for school! The Sea Keepers attend a very special underwater school in this magical new series about saving our oceans. It's time for baby sea turtles to be born, but the beach is covered in rubbish! The Sea Keepers need to clean up the sand before the eggs hatch. But not everyone wants to help the baby sea turtles . . . Evil siren Effluvia has enchanted a shoal of vicious barracuda who want to gobble them up! Can Emily, Grace and Layla find a magic pearl to keep the hatchlings safe? Or will Effluvia beat them to it?