Kaia, daughter of the ocean gods, is convinced that her life is a miracle. Years after escaping the underground prison where she and her siren sisters were kept, she is making the best of a bad situation. Her only goal is to stay alive and stay off the radar. Sounds simple, but life is never as such. Nero is not done hunting her and it seems he has sent a particularly driven werewolf after her. No matter how far she runs, her hunter always seems to be one step ahead of her.

Charlotte, the daughter of a powerful beta, is only certain of one thing in her life, that she is in love with her best friend. They aren't mates, but Caleb is just a driven to be together as she is. With or without the Moon Goddess's blessing, they will make their relationship work. But a strange wolf attacks her back in broad daylight, revealing that the myth of a murdering black wolf with red eyes is in fact a real threat. And Hades only has one target: Caleb. Charlotte believes that she is immersed in a living nightmare. It only gets worse when she realizes that Hades is her mate.