He is the son of a hero from the water towns of Jiangnan, a ruler who restores order, brings peace to the people, governs diligently, and brings the world under control. Yet the reign of peace in the twenty-seventh year of the Yuanjia era was ultimately devoted to the cause of reclaiming the Central Plains. He is the mounted king of the Xianbei grasslands, a conqueror who tramples every corner of the world and reveres the Dao while suppressing Buddhism. His fierce cavalry rides north and south in pursuit of the power to unite all under Heaven and water their horses in the Yangtze. They are fated enemies in the long river of history, bound by destiny in a thirty-year struggle that entangles their lives. Step into this long-forgotten history, and witness the epic age of heroes amid the division between North and South!