Chi Zhen fainted in a pool of blood in the Huacheng subway. When he woke up from coma, he found that he was actually in the city bureau of Yancheng, China. Facing Luo Wenzhou and Mr. Fei Du from the city bureau, he pretended to have lost his memory and spent a year in Yancheng, but in fact he had not forgotten everything he had done in Huacheng. He returned to Huacheng a year later!