The Twin Code: Rose and Bayonet

In 1940, the third winter after the fall of Nanjing, civilization itself became the most dangerous "contraband". She is Gu Shuyi, the orphan of a master in cryptography. She appears to be a gentle university lecturer, but in fact she is a sleeper codenamed "Rose", guarding the cultural genes that are about to be tampered with under the eyes of the Japanese invaders. In his memory, he said "I am a soldier" when his fiancé Chen Huaiyuan died for his country, but he did not know that the silver ring he left behind was the key to a more secret war. She is Bai Luwei, a mixed-race agent with a mysterious background, codenamed "Daolan". She survives with her talent in the shadow of the concession. Her memory begins with a blond female corpse and a Russian instruction on the banks of the Suzhou River. Her world consisted of survival and killing, until she was ordered to protect the woman holding half a copper coin. When the Japanese military's "Sakura Project" was launched, aiming to erase the memory of a nation from its roots, two women who were supposed to live parallel lives were forced to intersect. From then on, on the road to exile, she used the plain words of "Three Hundred Tang Poems" as a spear to decipher the conspiracy of civilizational cleansing; she used her absolute sense of music and deadly combat as a shield to protect the lives of the decipherers. From Nanjing and Wuhan to Chongqing and Shanghai, they are the last sparks of the "Zhongshan Group", walking on the tightrope of history. This is not only a battle to defend the westward migration of cultural relics, but also a mutual recognition and repair of two broken souls in a desperate situation. They bear the legacy of their fathers, the entrustment of the deceased, and the deep and unexplained bond with each other. Amidst the flames of war, betrayal and sacrifice, can they guard the eternal fire on the ruins of civilization and decipher each other's last survival code?