Chen Beiyi of Earth is unexpectedly transported by his soul to the body of Qin Shubao, the “Little Mengchang,” in a parallel world at the end of the Sui dynasty. With no System, no mastery of math and science, and no golden finger, can Qin Shubao change the tragedy of choosing the Peach Garden oath over the brotherhood sworn at Wagang? Can he build a prosperous age through his own efforts?