The games presents the events around the invasion on Earth during Second Space War by ATU's rebelled forces against forces of KEMI corporation.
It takes place in the XXII century, where Earth is divided commercially into two spheres: ATU (Atlantic Trade Union) and KEMI (Asian Group of Commerce).
ATU embraces former western organisations - the EU and the USA, while KEMI represents almost the whole Asia with leading role of eastern Asians.

As a result of a trade dispute over space travel technology The First Space War breaks out. It lasts only a week and ends with a hostile takeover of the key corporations in ATU by KEMI, which in turn would lead to KEMI's taking over of the whole Earth. The military part of ATU rebels and carries out an invasion on Earth.

The game presents the fight between the military forces of ATU and KEMI through the Solar System as far as the Earth.