As long as mermaids live, the sea will fill with blood.

On the night of Amaris's eighteenth birthday, she can finally surface from the depths of the Sapphire Sea. but when she joins her pack, she's horrified by the barbaric terms of the hunt. She knows the cost of saving her mortal enemy, but she can't bring herself to join in on the bloodshed.

Amaris is left with no choice but to consult the sea witch in order to escape from her father's wrath. She soon finds that there are worse things than being the predator, gambling her soul and becoming the prey.

Hans Christian Andersen's story of The Little Mermaid with a dark and compelling twist. This new adult fantasy novel will leave every reader swept away in the tides of magic, mermaids, and romance.