Women Disguise Themselves as Men and Enter the Rivers and Lakes to Investigate Crimes

In order to investigate an old family case, the eldest daughter Ruan Sui disguised herself as a man and worked as an errand in the Six Gates of Jianghu. She accidentally teamed up with Pei Zheng, a military general stationed at the border who had just returned to Beijing. The two travel together to solve a series of strange cases, uncover the secrets hidden in the martial arts world, and work hand in hand along the way. The two lines of martial arts investigation are parallel and intensive.