1, Plot: During the most difficult period from 1937 to 1945 in War of Resistance against Japanese Aggression, Qin Chuan, an underground worker of our party, successfully infiltrated the Japanese secret service in Shanghai under the secret planning of the organization. Prior to this, Qin Chuan had been lurking in the Kuomintang Renaissance Society for a long time, successfully obtained information and eradicated the Kuomintang spies hidden inside our party organization. The news of Qinchuan's "refuge" in Mei organs was closely watched by the Kuomintang military system, the Japanese army and the underground organization of our party. In order to successfully implement the latent plan and obtain the secret information of the Japanese army, Qin Chuan, with his wisdom and extraordinary courage, stepped forward step by step, saved the day, and seized no time to attack the enemy and defend the organization. As Qinchuan's lover and a caring worker of our party, Sharan covers Qinchuan as a nurse. She knows each other but can't be together, and her heartbroken feelings turn into a cavity to serve the country. At the same time, Shen Ruohan, a patriotic detective, and Ye, a military female spy, were also involved. They gave their lives for the national justice in their emotional entanglements. Finally, Qin Chuan and Xia Lan Yuan Man completed the tasks assigned by the Party, while Xia Lan died heroically for the revolutionary cause.
2. Undercover was produced by Beijing Huayi Brothers Entertainment Investment Co., Ltd., supervised by Zhang Haidong, directed by Teng Jinpu and Li Zhiqiang, starring Fu Chengpeng, Zhou Liqi, Li Zefeng, Liu Congdan, Hu Yajie and Li Hongtao.
3. The drama tells the story of a soul-stirring spy war between China, Scout and Japanese plum organ during the War of Resistance against Japanese Aggression period, and the complex emotional entanglements hidden behind it.