At the end of the Eastern Han Dynasty, General Dou Wu was defeated in his fight against the eunuchs' dictatorship, leading to the execution of his entire family. His eight-year-old daughter Dou Ling escaped and vowed revenge. Taking on the alias "Yanhuang", she infiltrated the Caiyi Workshop, an assassin organization controlled by the enemies. Navigating a vortex of slaughter and conspiracy, she bode her time to get closer to her targets, Zhang Huan and Cao Jie, and rose through the ranks with her exceptional wit and martial arts. But as she finally approached Cao Jie, her true identity was at risk of being exposed...