An ominous prophecy made Gu Wan a family taboo from birth. Seventeen years later, the master and brother died tragically one after another, and all the clues strangely pointed to the powerful God of War-Xiao Jue.
In order to take revenge, she buried her identity and sneaked into Xiao Jue's military camp under the pseudonym "Gu Yuan". This place is a melting pot of merit and a network of spies. With her superb Qimen Dunjia art, she gradually became his sharpest blade and his deepest suspicion.
