A poor girl, Eve, accidentally carries the child of Damon Ignis, the empire's wealthiest man. To escape her abusive foster father, she signs a secret marriage contract with Damon—a deal of convenience. As they live together, misunderstandings give way to deepening affection. Despite repeated schemes from the scheming Blair and Eve's foster family, Damon transforms into a dragon to shield her with fierce devotion. In the end, Eve is revealed as the true heiress of the Sterling family and reunites with her biological father. All the villains are crushed. Damon offers his dragon's reverse scale as a pledge, and the two celebrate a grand wedding, claiming their perfect happiness.
