In a bustling city, whenever night falls, something will always appear. A woman without a shadow under the street lamp, an old lady with a fox face, a walking mummy... Whenever they appear, there will always be someone guarding them in the dark, killing them. Demons and demons, these people are called night watchmen. Night watchmen always think of themselves as a serious, upright organization out of vulgar interests. Until a guy named Lin Xu joined them. Lin Xu: Fellow Daoist, you are painting Talisman? Exactly, I just bought a printing machine, try it... May I ask if this is the rumored Mohist puppet technique? Can the Iron Man I just bought work?