Shen Zhiyao, who was publicly executed as a spy, blew up the enemy's headquarters on the execution ground and narrowly escaped death. In order to find out the truth behind the frame-up of her family, she sneaked behind enemy lines and was forced to join forces with Major General He Xiao, who had personally signed her death warrant. Military doctor Zhou Yunxiu's medicine, broadcaster Bai Ling's voice, and captured engineer Lu Jin's drawings, everyone is a hidden piece on her revenge chessboard. However, the enemy's adjutant Xie Linchuan's pressing step by step made her realize that she had also been an accomplice of the system. When the truth was peeled back layer by layer, she discovered that the most dangerous enemy was the one who once said, "Living is more important than loyalty."
