Mermaid Annika is from the sea. Her purity and beauty are breathtaking, along with her graceful athleticism, as her five new friends discovered when they retrieved the fire star. Now through space and time, traveler Sawyer King has brought the guardians to the island of Capri, where the water star is hidden. And as he watches Annika in her element, he finds himself drawn to her joyful spirit. But in the darkness, their enemy broods."--