The king (played by Chow Yun-fat) led his troops in a rebellion and seized the throne. In order to further consolidate his position, he drove away his ex-wife and married the princess of Liang State and the current queen (played by Gong Li) to gain the support of the king of Liang. Prince Yuanxiang (played by Liu Ye) is the child left by his ex-wife. The king and the current queen also gave birth to Yuanjie (played by Jay Chou) and Yuancheng (played by Qin Junjie). However, the queen had an incestuous relationship with Yuanxiang. The king has always been obsessed with his ex-wife and claimed to the outside world that his ex-wife was dead. The queen has always been ambitious. When Yuanjie learned that his father forced his mother to take poison, he agreed to his mother's mutiny on the Double Ninth Festival, and the bloody war began...