Lin Zhifan and his first love Gu Shijin, who had not seen each other for many years due to a misunderstanding but reunited because of work, entered the game "Return to the Future" for internal testing. However, the two were unable to leave the game due to an unknown bug in the system. So the two friends had to temporarily shake hands and think about how to survive in the apocalypse.
Intention: What is scary is not the end of the world, but the human heart