Betrayed by her mate and her stepsister, Shirley is heartbroken and in agony from the mate bond's breaking. However, she refuses to be seen as the weak, pitiful omega who got rejected. Her wolf howls that they must get revenge! But how could she go up against the crowned Prince of the pack?Only one person could help her. The father of her ex-mate, the formidable and ruthless alpha, Alpha Lucas. So, she decided to seduce him and become his Luna so that her ex-mate and her stepsister could one day kneel before her and beg for her forgiveness.Four months was all she needed to carry out her revenge but little did she know that the single who everyone thought to be heartless actually harboured sinful designs about her and had been watching her for a long time.And now that he has her, he's never letting her go. He will help her get revenge and teach those who hurt her a great lesson.