Chen Zhi, a doctoral student in archeology, touched a Qin Dynasty bronze coin and woke up as a fugitive prisoner named "Black Fu". He only had a piece of linen clothes on his body, a wooden slip with accusations engraved on it, and a cold "system". The system requires him to gain the trust of Qin officials within ten days, otherwise he will become mute. But he was a fugitive and he didn't even dare to enter the village. He originally wanted to go to Xianyang to find Fusu, the young man who was "resolute and brave, close to the wise and distant from the nefarious" in the history books. What the history books did not tell him was that Fusu was surrounded by eyes, Xianyang City was full of informers, and what Qin Shihuang hated most was people of unknown origin. After living in the Qin Dynasty for thirty days, he began to suspect one thing: perhaps history is not a question of whether it can be changed or not - but what you use to fill the hole after you change it.