In the summer of 2023, Chen Feng, a graduate student in the Department of Physics, insisted on completing a quantum transmission experiment during a thunderstorm. He was struck by an abnormal lightning and woke up to find himself in the mountains of North China in 1940.
Chen Feng was discovered by the Eighth Route Army guerrillas and was almost executed as a spy. At the critical moment, he saved himself by playing the national anthem on his mobile phone and displaying modern knowledge.
Zhao Gang, the political commissar of the guerrillas, initially believed in Chen Feng's status as a "returned overseas scientist" and took him to the headquarters of the Shanxi-Chahar-Hebei Military Region.
Encountering a small group of Japanese troops on the way, Chen Feng used his physics knowledge to make improvised explosives to help escape, which attracted the attention of the guerrillas.