She was a very beautiful mermaid,with sparkling blue eyes and a blue tail. That's why she was named Blue by her mother.

She was falsely accused of murder and banished from the city. She fled to the human world,where she began to work as a maid in a castle.

She meets Prince Adrian, a humble man who fell in love with her. He wanted to make her his Queen but... His bethrothed -a proud princess- will not let him go. She plots evil against Blue and eventually realizes who Blue really is