绝命543是一只神秘部队的代号，在20世纪50年代中国大陆的领空遭受到了敌方多次的侵扰，所以中央决定在军队中成立空军地空导弹部队，并且在世界各地去筛选一些优秀的官兵，纳入到543的部队当中。营长肖战五，带领着各具特色的士兵组成了英雄二营，并在之后创立了多次战功全营都发挥着一杆枪的战斗精神，一举击败了敌方的侦察机，并且在世界防空时中破掉了用导弹击落侦察机的记录。

在最危难的时刻，敌人恢复了对大陆的侦察，并且面对人员伤亡不整，导弹零配件不够和专业技术很难攻克的不利因素，二营也担起了导弹制作和伏击的重任，在野外开启了艰难的作战，最终克服了重重困难击落了敌方多架高空侦察机，创立了辉煌的部队战绩。

"Top Secret 543" is a film by A military war drama produced by the TV Art Center of the Political Department of the Air Force. The drama uses the historical background of the reconnaissance plane being shot down by the Chinese People's Liberation Army in 1959, and tells the story of the Chinese Air Force's surface-to-air missile force in a very critical stage at the beginning of the development of the Chinese People's Liberation Army. The moment, breaking through many crises, and shouldering the story of protecting the safety of China's airspace, the program was broadcast for the first time on July 26, 2017 on Dragon TV. The TV series has a total of 34 episodes, and each episode is 45 minutes long

In the late 1950s, China’s airspace was frequently invaded by foreign countries. The central government decided to purchase a batch of surface-to-air missiles and form the latest Missile force, the era of airspace warfare begins. At this time, outstanding soldiers from all directions will dispatch this mysterious team. The battalion commander Xiao Zhanwu will lead the team to form the 2nd Battalion of Heroes. The team shot down foreign fighter planes, creating the first historical record for my country to use surface-to-air missiles to shoot down foreign high-altitude reconnaissance planes, and at the most difficult moment, the enemy took the opportunity to resume reconnaissance on the mainland. There were casualties, lack of spare parts and other unfavorable factors. The unit resolutely took on the heavy responsibility of missiles and began a difficult combat process.