Sunset over the Long River - Machinery and Beacon Fire

In Shanghai in 1936, Lin Shen, an engineer studying in the United States, accidentally activated the AI ​​core "Jingzhe" from the future, and was involved in the whirlpool of espionage wars between the military, Japanese special forces, and the underground party. The flames of the Battle of Songhu have not yet been extinguished, and the future mechanical legions have quietly penetrated. When the belief in saving the country collides with the choice of time and space, he must seize the glimmer of light that changes his destiny in the long river of history.