Finn’s ordinary life as an art student takes a shocking turn after he rescues an injured stranger and discovers he is the last surviving heir of the Tide Bloodline. His extraordinary blood holds the power to break the curses afflicting sirens, making him the only hope for the dying Siren Prince Keiden, whose desperation soon turns into an all-consuming obsession. But Finn’s troubles deepen when Dylan, his closest friend, reveals his hidden identity as a god-hunter and stands in the way of Keiden’s plans. Caught between two powerful alphas, Finn is pulled into a dangerous underwater world of secrets, obsession, and forbidden attraction, where he must fight to reclaim his freedom and decide his own fate.