Sierra is an average sixteen year old outcast in her private school. With her head in the clouds always dreaming of the mysterious world of mermaids. But what will she do when she's thrown into their world and their war? Sierra has to make a decision. Go back to her life with her evil step mother and siblings in a school that could care less if she were there? Or save the merfolk and a family she didn't know she had, before its to late.