Meng Yuyao passed through a space-time rift in the elevator and traveled ten thousand years later. The end of the world is coming. Human beings are rare in this world and can live forever, but it is difficult to reproduce, so all the people doing the work are robots. After she arrived, she saw robots on the street, and she fell into panic. She was afraid that the robots would discover that she was a human being and that she was an alien. She imitated the robots to walk, and suddenly she saw a person, a man.