There is a mysterious sect called Wuyin in the martial arts world. In the sect, Nie Yin Niang ranks first in martial arts. Master Miaohui Shen Ni assigns Nie Yin Niang a mission to assassinate the tycoon Liu Chang Yi.
Nie Yin Niang completes the mission with ease, but she gets embroiled in a conspiracy that leads to her meeting Sima Sheng An, the vice minister of the Supreme Court. During the investigation, the two gradually fall for each other, and they work together to solve the conspiracy.
(Source: iQiyi)
