She is the female doctor accompanying the King of Zhenbei. She saves people with silver needles and kills enemies with long swords.
Following the prince's entry into Beijing, he was involved in the dispute over imperial power. Conspiracies and plots in the court followed one after another.
The gentle young master sacrificed his life to protect her, the iron-blooded general treated her with love, and the best friend pretending to be an undercover agent may turn swords against each other in the future.
Living in a prosperous city, walking on the edge of a knife, Wu Xu used his edge as a shield to make his own way in the troubled world of power and conspiracy.
