The eccentric scientist Thangka discovered a new type of engine that can travel through time and space. But this new invention of mankind caused the disturbance of the energy stone on the other side of the galaxy. Saria and Torres came to the earth. Humanity originally wanted to contact aliens peacefully, but for some unknown reason, human drones attacked the alien spacecraft, and a war between the two sides was imminent. Humanity has thus embarked on a journey into space...
