One day Curtis Crab washed up on the beach after losing his way and forgotting how to swim, so he asks his friend Martha the Mermaid to help. It’s vital that Curtis returns to the ocean as the evil sea creature Pytharus has moved in and is asking everyone to leave the ocean. Only Curtis has the power to remove Pytharus but time is running out!!! Watch Curtis and Martha sing and dance and tell the story of how Curtis learns how to swim again!!