The Jin Dynasty: A History of China, PART TWO traces one of China’s most turbulent centuries — an age of brilliance, betrayal, and survival. It follows the rise of the Jurchens, who forged a vast empire in northern China, from their founding triumphs to their tragic fall. At the center stands Wanyan Liang, the bold ruler whose reckless ambition to conquer the Southern Song plunged the Jin into chaos. His successor, Emperor Shizong, sought to rebuild and restore peace, but the calm proved fragile. Under Emperor Zhangzong, the Jin embraced Chinese culture and learning, even as a new power rose — Genghis Khan’s Mongols. As the storm closed in, figures like Wanyan Chenglin and Emperor Aizong fought to the end, their courage turning the Jin’s collapse into a deeply human story of defiance and loss.