Concubine Zhang gave birth to a baby girl. In order to keep her position in the palace, Concubine Zhang swapped her baby girl with the baby boy born at the same time by the wife of Grand Secretary Lin Jingui. Later, the baby boy became the current prince, and Concubine Zhang became the empress dowager. Mrs. Lin Jingui was very angry about this, but she could do nothing about it. She was so angry that she abandoned Concubine Zhang's own flesh and blood at the door of Baihualou, a brothel in Yangzhou City. Eighteen years passed in a blink of an eye. The baby girl was adopted by Jinhua (played by Song Dandan), a prostitute in Baihualou, named Qianqian (played by Zhang Ting), and grew up; and the prince Zhengkang also grew up. Qianqian grew up in a mixed environment since she was a child, so she has many market habits, but she is kind and keen to fight for justice. On this day, Qianqian was chased after cheating in the casino and failed. When she was in trouble, she met the leader of the water and land dipper in the southern seven provinces, Long Tianxiao (played by Liu Changchun), and was rescued by him. This Long Daxia was actually a fake black dragon flag stolen by the idle prince Zhengkang during his incognito visit. Qianqian's legendary martial arts experience began here!