In the battle of Jingnan, hundreds of officials went to the disaster. In the Ghost Owl Camp, which never sees light all year round, many killers are secretly trained. Yan Ying from the Yin Owl Battalion received the mission to assassinate He Su, the minister of the Ministry of War, but unexpectedly learned about the past, private hatred and justice, the demons and monsters in the Forbidden City, how much fire it would take to burn them out, and how long the road to revenge is...
Purpose: justice