In the fourth year of Tianle, Gao Heng ascended the throne. In remembrance of the late emperor, he left the era name unchanged. But suddenly, rumors began to spread that he had seized the throne, which was never rightfully his, through dishonorable means. At the same time, the imperial seal was stolen, implicating Prince Hengyang, who had always kept out of worldly affairs. The news spread throughout the martial world overnight. The emperor ordered the master of Wangyue Pavilion to personally investigate the seal's whereabouts. Along the way, he encountered Luoxue Pavilion, another assassin organization as renowned as Wangyue Pavilion. By a twist of fate, the investigation uncovered the truth behind the fall of Northern Yan...