An asteroid impact releases alien spores, and a fatal black rain corrodes all things, while the infected tear apart the order of civilization. Yu Molan fights his way out of the ruins with his wife and daughter, believing the oasis he finds is an escape, but it is a cold prison culling the old and weak. Amidst the slaughter of human nature and bestiality, and the game of conspiracy and survival, he uses his flesh and blood as a shield to protect his family, searching for the glimmer of dawn in the endless black rain.