A group of pirates chases a mermaid until a cave where they will find something that even in their worst nightmares they could never have imagined. A group of pirates chases a mermaid until a cave where they will find something that even in their worst nightmares they could never have imagined. A group of pirates chases a mermaid until a cave where they will find something that even in their worst nightmares they could never have imagined. A group of pirates chases a mermaid until a cave where they will find something that even in their worst nightmares they could never have imagined.