Oceanographer Luke McAllister races to figure out why the ocean depth is changing off Florida's Treasure Coast. But before he and his crew discover what's transforming the deep, he stumbles upon an even greater mystery. Leagues below the waves, he swear he sees...a mermaid? Anya isn't allowed to get close to humans. But when a golden-haired researcher gets too close to her island, she can't afford to stay away. Together, this unlikely pair will seek...