Traveling Through the Qin Dynasty: I Asked for Elixir for the First Emperor

In the 21st century, Lin Jian, a pharmacy scholar, traveled back in time to Xu Qing, an alchemist in the alchemy room of the First Emperor of Qin Dynasty, after an explosion occurred in his laboratory. A series of twists and turns and bizarre events and the dealings between Li Si/Meng Tian/First Emperor, a story of a battle of wits and courage.