Lin Chen, a top modern chemistry doctor, encountered a reagent explosion while conducting a new catalyst synthesis experiment in the laboratory. He accidentally traveled to the end of the Qin Dynasty, and his soul traveled to the strategist Zhang Liang who had just failed to assassinate the Qin Dynasty and was on the way to escape. Lin Chen relied on his solid knowledge of chemistry, modern thinking, and Zhang Liang's own strategic talent to assist Liu Bang in defeating Qin and Chu, and finally established the Han Dynasty.
