Roxane Armstrong is a demigod raised by humans she long thought as her family. But all that changes on the day she receives a mysterious letter. And with it, a world she thought was a fairytale was brought to life.

Along the way, she meets Olympos and Atria, the two Delfonse siblings that will ultimately lead her down two different paths. Despite saying they are acting in her best interest, one of them will lead her down a path that ends with the destruction of the world.

With each step she takes, she learns not only about herself, but the world around her. Each shadow she sees is laden with secrets that threaten her with danger. With the fate of not only the world, but the Underworld in her hands, will Roxane be able to rise to the occasion?