Earth has had a history of war and violence. Humanity is aware of the darkest parts of our own hearts and also seemed aware that while they talked of world peace, it was a mere pipe dream and it would never come to pass. Then the Yaotalh came. An alien race that had been studying humans on Earth since ancient times. They were alarmed at our rate of evolution being that we jumped from Pyramids and Stone Henge to Industrialization and Nuclear Power in only a few thousand years (Something that took them five times as long.) and they feared what we would do given the time. Their course of action took the form of invasion using their army of Enforcers, human like soldiers used to wage war outside the protection of the ships belonging to the Yaotalh, the fight was long and brutal. The Enforcers had more advanced technology but the humans were tenacious. One by one the nations of the world fell until finally only China and the United States remained as whole nations, resistance movements existed in the shells of others, but when China finally fell North America was alone as a whole entity of resistance. However after over 20 years of grueling combat it fell. Humanity fell into a dark period as the Enforcers and Yaotalh rebuilt the cities into districts of their control providing a decent living for most people with their own dome cities overseeing the people. Of course the Yaotalh didn't waste their conquest with simple dominion. They took many humans into their domes and very rarely released them.
However, humanity never lost its stubborn nature. Resistance groups formed and started planning a coup. However very few ever found a way to get off the ground or get enough in number to make a difference. Years passed before a few people found a map in a time capsule that had certain locations marked. The map was dubbed Hope...