On the day he was defeated and captured, Xie Zhao detonated thirty-six enemy granaries and recaptured half of the country with blood-stained armor. He was supposed to die in prison, but he managed to survive because of the secret dealings of the enemy general Shen Jin. In order to restore the country, he teamed up with the forbearing Shangshu Pei Yan, the handsome bandit Yan Jiuniang and the lurking secret agent Su Li to tear apart the iron curtain of the enemy country step by step. However, Shen Jin's loyalty is disintegrating, and eunuch Zhao Huai's conspiracy is quietly spinning a web - the road to national restoration is more dangerous than the battlefield, and people's hearts are colder than the blade of a knife.