Mo Lu got a jade feather blade left by his grandfather when he passed away. From then on, he was hunted by a mysterious man. Mo Lu began to investigate the origin of the jade feather blade. During this period, he happened to meet Xu Yan, the grandson of Mr. Wang, who had a close relationship with his grandfather. Together with Xu Yan, they investigated the origin of the jade feather blade. During the investigation, the two found that the jade feather blade seemed to be related to a family with a history of thousands of years.