Episode 29 Top Secret 543 is a military war drama produced by TV Art Center of Air Force Political Department, directed by Song Haibo and Wang Gong, and starring Wang Cong and Vivian. Based on the historical background that the Kuomintang U-2 high-altitude reconnaissance plane was shot down by the China People's Liberation Army in 1959, the play tells the story that the "Hero Battalion 2" of the Air Force's surface-to-air missile unit overcame many difficulties and defended the airspace of new China. Zhangzhou police appeared in episode 29. "Police" refers to the state and its rulers, according to the will of the state and the ruling class and the established standards of the police organs and their policemen.