In the future world, no matter how technology and society develop, the evil nature of human beings will still cast the shadow of war over the earth. Lin Lin was an ordinary student who originally had an ordinary and peaceful life. However, the sudden change four years ago changed the trajectory of his life. In order to reduce the number of people like him in the world, he chose to join the "Garuda" organization and became a mercenary. The successive missions made him slowly discover the origin of the war. Four years ago, he had no power and could only be sad when facing death. Four years later, how should he make a choice now that he has power? As the god of death on the battlefield, where will he ultimately lead the future...