The seventeen -year -old Mayer Barrow lives in a world where your blood color determines your position and your destination. It is of red and estimated to have a life of poverty and the service of silver who possess supernatural abilities. But her fate changes quickly when she gives her an opportunity to work in the royal palace amid the silver she hated throughout her life, and in a strange accident she discovers a fatal supernatural ability she did not know that she possesses. For fear of what its existence can mean, the virtues offer it as a missing silver and the fiancée of the younger prince. Despite the danger of its placement, in a world of luxury and betrayal, Mayer tries to survive and help the red resistance to drop the silver kingdom.