The Shadow of Jinmen in 1940, the Remnant Dream of Jinling in 1949, a latent game that spanned nine years, hides a legend that is extremely silent. Li Mo, disguised as a military commander's "dumb" driver, lowered his head and hid his blade, shuttling between corpses and intelligence. He was a tool that could be driven at will in everyone's eyes, and the sharpest nail in the CCP's underground party - codenamed "The Undertaker". He used silence as armor and killing as a sharp blade, executing traitors and passing on secrets, and worked step by step in the cracks between the military command and the Japanese army; he was trapped in the double desperate situation of "manslaughter by one of his own" and "detection by the enemy", but always adhered to his mission, secretly instigated a rebellion in the archives of the Secrecy Bureau, and leveraged the core secrets of the Kuomintang. Ma Xiaotian's arrogant corruption, Sophie's transformation from ignorance to sacrifice, the underground party's faith and betrayal, and the Kuomintang's corruption and defeat all slowly came to an end under his silent gaze. When the red flag of the liberation of Jinling City was raised, the "mute" who had been silent for nine years finally spoke, and the knife in his hand had already buried the darkness and paved the way for new life. This is a silent persistence, and it is also a hidden tragedy composed of faith and sacrifice.