Aquarel, a mermaid who is the daughter of her underwater city's queen, has always had a fascination with the world above. However, it's a well known fact amongst the mermaids that if a mermaid is to dry off, she will die. When Aquarel tries this for herself, she becomes a human, and befriends a man named Joshua who she becomes attracted to. However when her family discovers her endeavors, Aquarel must make a very difficult choice to leave the ocean behind and seek help from Joshua. Little does she know, her sisters are on her tail to bring her back to the sea, and take her away from this world she has come to love.