Ling Cheng, heiress of the Mu family, was separated from her three brothers after a family massacre. Adopted by the Ling family, she grows up and prepares to marry Tang Fengyan. On the wedding day, rival Chen Xinyu tries to humiliate her, but her three powerful brothers—world billionaire Mu Tingyu, legendary doctor Mu Liufeng, and Dragon Soul leader Mu Xingyan—arrive to protect her, turning the tables on her enemies.