Simone loves to daydream about swimming with mermaids. She finds herself traveling through a tunnel of light with her beloved Great Dane, Coop, and her stuffed animal, Wizard Fox, who takes her into her daydream. The adventures in store for them are about to happen under the sea. What will happen when they try to enter the Mermaid City? Coop morphs into a powerful sea dragon, taking Simone on the ride of her life Between meeting bully pool sharks, a mean moray eel Queen, and then finding a mermaid school, the adventure never stops Travel with the trio on this magical journey as each of them learns something new about themselves.