Lin Yan, imprisoned on Blackstone Island for five years, was originally framed by his family to take the fall and sent to prison. In prison, he received teachings in ultimate martial arts and medical skills from a hundred hidden masters, awakening the Nine Dragons Pure Yang Body. Upon release from prison, he happened to encounter Tang Xuejian's matrilocal marriage crisis, stepping forward to marry Tang Xuejian, who bore extreme Yin energy and a scar. Along the way, he tore apart the cold and biased original Lin family, subdued the underground forces of Jiangbei, and healed Tang Xuejian's scar. At the same time, he rescued Su Banxia, the president of the Su Group who was afflicted with cold poison, getting entangled in the disputes between provincial capital and overseas forces. As the Blackstone Legion rushed to the rescue in full force due to him being in danger, Lin Yan's covert young master identity also gradually surfaced, kicking off a cool and dominant life of sweeping away powerful enemies.