Ariel a fourteen-year-old mermaid is just about to go the surface for the first as is tradition in Atlantica. For one night the mermaids are allowed to go to the surface to see the wonders, or as Triton hopes, and horrors of the surface. On this same day Peter Pan loses his dagger into the sea, and is in search of a mermaid at the cove to retrieve it. In a fateful night the two meet up, and find out more about the sea and land... and each other