He's a roguish pirate, she's the girl he failed to protect years ago—now a deadly syren sworn to destroy him.



Brigid was never meant to survive at sea. At fifteen, she drowned, only to become a syren. Now, her revenge is her purpose, and sailors are her prey. But when she recognizes a drowning man and spares his life, her loyalties shift.



Caelum has spent his life fighting the brutal legacy of his pirate father by saving others. But when his mission drags him to the sea, he comes face to face with the girl he failed years ago, who saves him.



Forced into an uneasy alliance as darkness spreads, Brigid and Caelum's survival depends on each other. But as their bond grows deeper, it becomes more dangerous.



Choosing love can be treason—and this decision may drown them both.