In the troubled times of the later Tang Dynasty, a young girl Qixue was abandoned by her father and sold to a brothel. By an accident of circumstances, she strayed into the mysterious Jiaohua City and was given the name Wanmei. She struggled hard in mission after mission, but was fortunately protected by the mysterious shadow Chang'an. The two of them mediated in the disputes between the government and the opposition, and because of the taboos in Jiaohua City, they were trapped in their inner feelings towards each other...