That summer, Shan Ming was injured during a mission and separated from his teammates, lost in the vast and terrifying virgin forest on the China-Myanmar border. Relying on his rich experience in wild survival, he still has absolute confidence in his escape. However, it took him twice as long as expected to escape from this devil's land in embarrassment, because he accidentally picked up a creature that should never appear in this place - a child - A little boy in China. Shan Ming picked up the child from the gate of hell and changed the fate of two people, or even more people. The plane crashed without a trace, and the mercenary group faced many difficulties. The crisis, the suspicion and sacrifice among members, the delicate relationship with government organizations, the frightening national weapons plan, the legendary and tragic fate of the dragon blood man, the huge conspiracy behind the seemingly ordinary missions, everything seems to be dark In the dark, they are inextricably linked with the mysterious identity of the child. His appearance dragged Shan Ming and the mercenary group he belonged to step by step into a state of perdition...