Guo Fei had just come out of the examination room, his eyes glued to the screen of his mobile phone. He got the first question right, and the second question was no problem either. Close your eyes, the most powerful academic system in mankind in the 21st century is still there. Then a large truck rushed over. When he opened his eyes again, a pungent smell of disinfectant penetrated his nose. A worn enamel cup, a military green coat - he has traveled to 1959. He failed all nine subjects and was a young man in society. Is the system still there?