Director of Scout Shanghai Station. In the TV series Light and Shadow, Zhao Jialin plays Dai Yuan, whose real identity is the stationmaster of Scout Shanghai Station. Later, he took refuge in the Japanese and was shot by Xia Anguo, played by Kang Jie. Light and Shadow is an anti-war drama directed by Junfeng Zhou. Taking the outbreak of War of Resistance against Japanese Aggression as the timeline, this paper tells the story of a group of ambitious young people fighting to the death with the enemy on the frontal battlefield and the special front in enemy-occupied areas.