When the dragons attack, Elian Wilding braves the assault and runs into her city to save as many people as she can. Three days later, she wakes up, alive despite her dire encounter with a deadly black dragon. Her left arm is mangled beyond repair, and three black scales have grown into the skin of her arm. As the scales spread across her body, Elian is suddenly stronger and faster, capable of ripping any mortal man apart. She must learn to control her newfound strength, or she will become the monster people fear.
When Elana Montaire runs into a burning house to save children trapped inside, the last person she expects to follow her is Prince Ennis, heir to the throne of Calenor. Devastated by the sudden death of her fiancé a year ago, she has secluded herself to her studies. Taking refuge in her books, she never dreamed of marriage or love. But from the day she meets Ennis, she cannot stop thinking about him. Yet she and Ennis cannot deny their growing connection.
When Elian and Elana's lives collide, they must decide whether they can trust each other. Beyond the horizon that has long kept Calenor safe looms a dangerous threat with the power to bind the fate of their kingdom to the choice they make.