The moon has fallen and the earth is in danger! Alien civilization comes uninvited with evil purposes and extends its claws of aggression to mankind.
Faced with a sudden crisis, all mankind put aside their thousands of years of prejudices and formed a powerful Earth Alliance, vowing to regain the moon and defend the earth.
At a time when the survival of mankind was at stake, heroes appeared one after another, brave enough to fight to the death, and various countries sacrificed their secret weapons. The Earth Allied Forces shared the same hatred and launched thrilling wars with alien civilizations...
The ending sucks