In Laith, when the moons are high, Tavarra is allowed to walk the land as a human for one day, losing her seahorse-like tail. But should she remain out of the water, a curse will overtake her, turning her into a beast with. A creature that, on some nights, takes the shape of a rampaging, uncontrollable monster.
Rhona, along with her village, is under a sinister leader’s control. He took Rhona from the boy she loves, stripped away her abilities, and forces her on a dangerous task to retrieve a dark prism that will increase his already massive powers.
When Tavarra and Rhona cross paths, they discover they need each other. Rhona knows how to help the cursed sea creature, Tavarra knows where to find the dark prism. They embark on a mission that could help them break Tavarra’s spell and save Rhona’s family and village. But with an untamable beast inside Tavarra, nothing is certain...