They are a group of soldiers who fight behind enemy lines. They are pretenders who are willing to bear infamy for the sake of their country. Their battlefield has no smoke but is always filled with the smell of death. Their battlefield is a fierce life-and-death struggle. They have superb intelligence and talent, complete camouflage skills, and use ingenious and whimsical methods to defeat their enemies and confuse them for a long time. This is a battle between evil and benevolence, this is the story of the life-and-death game between the pretenders and their enemies!
