在上一世纪40年代国军师长因为战争受伤被送至后方，在坚守云山岭的副官秘密的勾结日本军官，并且大胆的做出假传师长的手谕，大胆的谋划叛变，做出欺上瞒下的大逆不道之罪。共产党在一边策划建立以30名军官为一组的小组去秘密的处理汉奸，取名为铁拳令人意想不到的是还没有开始处理汉奸，就有风声泄露了。30名军官中有28人被杀，其余两人成功逃命地下党的参谋与幸存的铁拳相识他们却不知道自己的身份只是各自各顾的旅行，自己使命的同时，苦苦地寻找着对方仅存的一名战友投降的副官为了嫁祸人，逼迫师长叫铁拳，将他的家人秘密的送往敌方战区并且指派铁拳护送限令七天为生死期限，但是在途中两人几经波折验明了自己的身份，在孤立无缘的情况下一团结起来，一致对

In the 1940s, the commander of the national army was sent to the rear because of war injuries, and the adjutant who was holding on to Yunshanling secretly colluded with Japanese officers and boldly Falsely conveying the teacher's handwriting, boldly plotting rebellion, and committing the crime of treason and inhumanity by deceiving the superior and the inferior. On the one hand, the Communist Party is planning to set up a group of 30 officers to secretly deal with the traitors, named Iron Fist. What is unexpected is that before it starts to deal with the traitors, rumors leaked out. 28 of the 30 officers were killed, and the other two escaped successfully. A surviving comrade-in-arms surrendered as a lieutenant, in order to put blame on others, forcing the commander to call Iron Fist, secretly send his family to the enemy theater and assign Iron Fist to escort him to seven days as a life and death deadline. Identity, unite under the circumstances of isolation and no relationship, and unanimously externa