SPOILER ALERT: the following article contains massive spoilers, including the ending. If you have not yet seen the movie, proceed at your own risk, or better, come back to this article later!
SPOILERS AHEAD
Home in the Mine Plot Summary and Synopsis
A once-prosperous coal mining town is now in decline, as Chinese economic policy has pivoted away from coal. Through the director’s own family, the film depicts the source of life—mined from the darkness of 800 meters underground—that has given, as well as taken away from them.
Source: Wikipedia (CC BY-SA 3.0).