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