Under the scarlet sky, there is no escape.
In one day, Shanghai fell. The strange red light distorts human nature, and unknown monsters roam the ruins. Delivery boy Chen Ming embarks on a desperate journey to find his family. Faced with bloodthirsty maniacs, silver-blooded aliens, rust monsters, and endless terrors from the sky and the ground, he struggled to survive and tried to uncover the shocking secrets behind the doomsday.
"The red sky is the key, don't believe your eyes." - In this crazy world, only will and courage are the last glimmer of light that guides the direction.
