Lin Yi, a doctoral student in history, accidentally obtained the "Historical Correction System" and was told that Chinese civilization had been maliciously strangled at key nodes by an invisible hand during its countless original timeline evolutions, causing the civilization to stagnate or regress. In order to save a future that is doomed to collapse, Lin Yi must travel through time and space, and his consciousness descends on tragic historical figures such as Yue Fei, Yu Qian, and Deng Shichang. Not only does he have to use modern knowledge to change his destiny, he also has to deal with the crazy "butterfly effect" caused by revising history. Every change is creating a new parallel world; every revision is a desperate game with the mysterious organization "Guixu Division". When he finally stood at the end of the long river of time, he found that his biggest enemy turned out to be...
"If history is destined to be dark, then I am the only light."