A scientific expedition team accidentally discovers a new species with blue blood in the Amazon rainforest of South America. It turns out to be an extraterrestrial civilization that has been hiding on Earth and developing for N years. They also discover two other extraterrestrial civilizations on Earth. Meanwhile, a machine civilization fleet from beyond the galaxy plunders resources and destroys planets as it crosses the Milky Way. When it reaches Earth, it too plunders resources and colonizes humanity, plunging the world into a crisis of annihilation. War breaks out between humanity and the machine civilization. At this point, the three civilizations join forces with humanity and other planets to form the developing civilization known as the Blue Alliance, and begin an interstellar war of defense...