15 year old, Kastella O' Blien, has always lived her life on the sidelines. She never really had any friends. She never really joined any clubs, or put her hand up in class, but she's not a normal girl. She was a sepcially designed child. Formed in the labs of the CIA. At a young age she was rescued by the people, who she believes are her parents. When the CIA finally find her, they must run away in order to have a normal life, but being a science project, is that even possible. As she dashes from the clutches of the CIA she discovers that even though she is different, its not always a bad thing.
Rowan is a normal girl.. Goes to school, talks about boys, has a best friend and listens to screamo. But on her 18th birthday something unthinkable happens. A tsunami hits. But that isn't the unthinkable part. A mystery man saves her from the waves and the next day her gills and tail are a pretty big give away. She has to live life as normally as possible whilst being a mermaid and try to find the man who saved her without being discovered.