Su Wantang, the leader of the top noble family in Daxia, the Qianji Alliance, was a brilliant strategist who repeatedly helped Daxia triumph over Beiliang. She was a hero in the eyes of the people and the most feared figure in Beiliang. During an attack by Beiliang, she met Xie Yun, and the two fell in love at first sight. To protect Xie Yun from danger, she hid her true identity and took the alias "Shu Wan." They fell in love, and three years later, they were married.However, the peace was shattered with the arrival of Jiang Ning. The prime minister's daughter and a spy for Beiliang, Jiang Ning had secretly loved Xie Yun for years. On his wedding day, she appeared and falsely accused Shu Wan of plotting against Su Wantang, the leader of the Qianji Alliance. Xie Yun and the people believed her; they scorned and tormented Shu Wan. But when Su Wantang revealed her true identity to the world, everyone was stunned—the condemned woman Shu Wan was, in fact, the legendary Qianji Alliance leader, Su Wantang!
