When the Sun begins to expand in such a way that it will inevitably engulf and destroy the Earth in a hundred years, united mankind finds a way to avoid extinction by propelling the planet out of the Solar System using gigantic engines, moving it to a new home located four light years away, an epic journey that will last thousands of years.
Seven people are confined into a lunatic asylum strangely, everyone tries his/her best to attest his/her normality.
Chaoying, a retired rancher, decides to renovate his house after selling off his cattle. Shuhe, a villager helping with the renovation, is found badly injured after a hit-and-run. Chaoying and his friend Shuangzi vow to bring the culprit to justice.
