From Secret Agent Division Mole to Hidden Saint

A butcher who commits murder in the name of evil spirits.

A doctor whose house reeks of corpses.

A laborer who keeps women hidden in a cellar.

A foolish beggar of unusual origins...

Chen Mo opens his eyes and finds himself the owner of a lodging house in a small southern frontier county.

He's also a hidden agent of Sheng's Secret Intelligence Bureau, which hasn't looked south in ten years.

Demons, evil spirits, martial artists, cultivators... The world is strange and ever-changing.

Fortunately, he carries a Record of Secret Affairs. Anyone whose secrets are recorded within can grant him one of their abilities.

Basic swordsmanship, identifying medicinal herbs, a powerful physique, a technique that manipulates blood energy, the seed of the Dao...

Just as Chen Mo relies on the Record of Secret Affairs to seek the path to the supernatural in this small county, the Secret Intelligence Bureau, which hasn't activated its hidden agent in ten years, sends someone...