Ka-ching! That's all super sleuth Roxy Hunter (Aria Wallace) hears when she finds out about a newspaper contest that will pay $300 to the winner who writes the best story. The trouble is, she doesn't have one! Then, like magic, a mysterious young girl arrives out of the blue with nothing - literally. No words, no memory - nothing! Roxy names her Annie Nonymous and sets off to solve the mystery of the girl's missing memory. When Annie comes home soaking wet several nights in a row, Roxy realizes the biggest clue to her super story - Annie is really a mermaid! A mermaid who desperately needs her help to get home!