Director:
A murder occurred in the Xu Mansion / and the Detective Department's Prosecution Officer teamed up with Kaifeng Mansion to send Detective Shisheng (played by Cai Peichi) to investigate the case. Shi Sheng inspected the scene and found that Xu Yuanwai died of Sichuan Wu poison. Shi Sheng asked Mrs. Xu what happened at that time / but Mrs. Xu talked about the song "Ambush from Flying Daggers" danced by Xie Xiaowan / a famous singing girl in Yulou 22 years ago. The investigation of Shi Sheng reaches a deadlock / and all clues point to death due to poisoning. Shi Sheng has no choice but to go out of the city to the hidden city to seek help from the medicine woman Bai Qingluo (played by Gao Siwen). Yaopo Qingluo has a good nose / which can smell and distinguish thousands of kinds of smells. Shisheng wants to rely on Bai Qingluo's good nose to "smell the fragrance and detect the case". The first step is to investigate from the Yuanwai Mansion where the accident happened...
Cast:
Gao Siwen / Cai Peichi / Yuan Qiongdan / Zhong Jiufu / Li Ruichao / Li Yaojing / Zhao Yixin
天圣八年，岁在庚午。 许府之中发生命案，探事司亲事官联合开封府派捕快拾生（蔡佩池饰）调查案情。拾生查验现场，发现许员外死于川乌之毒，拾生询问过许夫人当时经过，许夫人却讲起了二十二年前听雨楼中名噪一时的歌妓谢筱菀所舞的那曲“十面埋伏”。 拾生调查陷入僵局，一切线索全部指向毒发而亡，拾生只好出城去往隐市寻求药婆白青萝（郜思雯饰）的帮助。药婆青萝有一个灵鼻子，它能闻辨出千种万种的味道，拾生想靠白青萝的灵