As a mixed-race child, Ava not only failed to overcome the weaknesses of her own race, but became a laughing stock because she "looked more like a human being." Her brother Samuel was not only talented, but also became the head of the family and the prince's right-hand man after his parents disappeared. At Greenland Academy, Ava meets the mysterious and beautiful boy Eugene, and layers of mystery are revealed... Have her parents really disappeared? Did Prince Andrei really come to propose because he loved himself? What is the true face of Eugene, who seems friendly and gentle? Many difficulties continue to test the girl's heart.