The moon has reached its drifting period from 200 BC to 2015. A civilization called the Moon Borrowers contacted the earth and stated that it would recycle the moon.
The young physicist Wych and twelve other scholars formed a research team targeting the Moon Borrowers. Their purpose is to determine as soon as possible whether the Moon Borrowers civilization is aggressive.
However, just when everyone was almost certain that earth civilization could coexist peacefully with the moon borrowers, another layer of haze quietly came.