The fantasy story takes place in the year 2080, when human science and technology are at their most advanced.

People have discovered that, in addition to Earth, there are many other creatures and planets with life similar to Earth. Mercury (Mercury), Venus (Venus), and Mars are the closest to Earth.

After a long period of peaceful in the galaxy, all four planets face a dangerous threat from monster that appear unexpectedly from four other planets nearby: Jupiter | Uranus | Neptune | Saturn.

When faced with the possibility of mass killing. All four planets (Earth - Mercury - Venus - Mars) partnered up to form the “PEACEFUL” alliance in the galaxy.

And since then, the “Spaceship War” against alien monsters has begun to make sure true peace for the entire Solar System ...