During the Taiping period of the Song, Liao, and Qing dynasties, Tang Ziyan, a secret agent trained by the secret organization "Fenghuo Army", was placed in the Imperial City Department of Kyoto. When she wanted to retire and spend her life with her husband Zhou Qian'an, her husband was taken away by the Fenghuo Army as a threat, and Tang Ziyan was given a new task: to assassinate the visiting Northern Dynasty envoy, the Imperial Prince. During this period, Zhou Qian'an was killed by Feng
During the Taiping period of the Song, Liao, and Qing dynasties, Tang Ziyan, a secret agent trained by the secret organization "Fenghuo Army", was placed in the Imperial City Department of Kyoto. When she wanted to retire and spend her life with her husband Zhou Qian'an, her husband was taken away by the Fenghuo Army as a threat, and Tang Ziyan was given a new task: to assassinate the visiting Northern Dynasty envoy, the Imperial Prince. During this period, Zhou Qian'an was killed by Feng