When Emily's friend, Aaron, falls into the hands of pirates, the mermaid girl has no other choice: she must find a rival pirate crew and convince them to help her save him. The pirate prince agrees, but first Emily must help him find the Trident's Treasure. And as if being among a pirate crew wasn't enough, Emily discovers that the pirates hate mermaids. If they learn her true identity, then her life, as well as Aaron's, will be in danger. How will Emily manage not to reveal her secret when the only way to find the treasure is to transform into a mermaid? Emily's eighth adventure, even more enchanting and dangerous...