During the reign of Emperor Taizong of the Northern Song Dynasty, wars continued between the Liao, Xixia and Song Dynasties. After her half-sister Azi and Xiao Feng, the king of Nanyuan, fell off a cliff together, the girl Zhong Ling returned to Dali to live with the Dali Emperor Duan Yu and her half-sister Mu Wanqing. During this period, she formed a deep sisterly friendship with Mu Wanqing and Wang Yuyan. Later Duan and Wang got married and Mu left sadly, so Ling'er embarked on a journey to find her sister Mu Wanqing, her sister Azi and Xiao Feng. She happened to meet Brother Yelvxiu of Yuyue in Liao Dynasty and Li Jilong, a famous general in Song Dynasty. A love story full of conspiracy and war began. Is it fate or destiny? Where will the love of Shunu Ling'er go...