William Harris never believed in sirens. Not until he moved to Turbulence, a little coastal town in New Hampshire, where ghost stories of sirens lurking in the dark waters, ready to drag people under, are known. But even with the stories and rumors, William has trouble believing. That is until the mysterious death of one of his classmates, who was covered in puncture wounds and completely drained of blood. More mysterious deaths spring up throughout town; deaths that people claim to be from one thing: the sirens. Will William and his friends uncover the secrets of the ocean, saving the little town of Turbulence or will they too be victims of the sirens' song?