 She displayed extraordinary talents when she arranged for Lady Li's child to be swapped under the care of the empress.Her intelligence impressed Empress Dowager Lü, and she was sent to Liu Heng, King of Dai, with a new identity as Dou Yifang, so she could spy on him.In order to rid the world of further sufferings under the regime, but at the same time earn the trust of Empress Dowager Lü, Dou Yifang suggested to her husband Liu Heng to start training his army under the guise of building his grand ceremonial tomb.