Seven thousand years ago, Earth was attacked by spirit entities.
Their awakening drove countless people from their homes and tore families apart.
After paying a terrible price, the spirit entities were finally suppressed and sealed away.
Now the formation is weakening, and the spirit entities are about to return and slaughter humanity.
Dou De, an ancient figure, also became a spirit entity after he was killed.
He brought Lin Tian and Tang Wan from Ling Star, where people possessed spiritual power.
Lin Tian and Tang Wan gradually grew stronger and took on the responsibility of saving the world.
The two matured in battle and found insight in their everyday lives.
And besides, we're all aliens. Saving Earth?
