{Anya} is a survivor of the planet Seros. Her race was destroyed by the brutal interstellar empire. Only she carried the core technological information of her race and fled across the stars to the earth. But at this time, the earth is deep in the apocalypse, mutated beasts are rampant, and human civilization is on the verge of collapse. Desperate, Anya, in order to survive and protect the last habitat, uses Seros technology to create weapons for humans to fight mutant beasts, helping humans survive in desperate situations. But the interstellar empire's pursuit has never stopped, and the empire's pursuers are gradually approaching the earth. Anya led humans to resist mutant beasts and avoid interstellar pursuits. Along the way, she met human partners who fought side by side, and also found other interstellar refugees scattered around the earth. In the end, she joined hands with humans and refugees of all races to form an interstellar alliance, using the earth as a stronghold, declaring war on the interstellar empire, and finding a true way back for all displaced people and humans.