From Kiera Cass, number-one New York Times best-selling author of the Selection series, comes a captivating standalone fantasy romance.

Kahlen is a Siren, bound to serve the Ocean by luring humans to watery graves with her voice, which is deadly to any human who hears it. Akinli is human - a kind, handsome boy who's everything Kahlen ever dreamed of. Falling in love puts them both in danger...but Kahlen can't bear to stay away. Will she risk everything to follow her heart?