Anastácia is a humble girl from a rich and prosperous pack. She is designated as the mate of the Alpha, Kaleu, but he rejects her and chooses her older sister instead, using the excuse that Anastácia has not yet awakened her wolf. Her sister, Hellen, is a selfish manipulator who has always humiliated Anastácia since childhood, so everyone always saw Anastácia as the villain and Hellen as the victim. Constantly humiliated by everyone and with the Alpha's indifference, Anastácia decides to move to human civilization. Even though he rejected her, Kaleu is still connected to her, and his wolf mourns for her day and night, his heart aching and his focus shifting. With no other choice, Kaleu goes after the girl, filled with fury for not being able to mark his sister Hellen, whom he always thought he was in love with. However, Anastácia is no longer the naive and reserved girl she once was. After recovering the memories of her past life, she will discover a history involving a dragon lineage...