Lin Feng unexpectedly transmigrates to the Tang Dynasty and uses his modern scientific knowledge to set out to transform it.
From the moment he arrives, Lin Feng displays extraordinary insight. His unique technological methods solve numerous problems affecting people's livelihoods, drawing the attention of the imperial court. In agriculture, he introduces new irrigation techniques and improved farming tools, greatly increasing grain yields. In industry, he improves forging methods and produces superior weapons. For his outstanding contributions, Lin Feng earns Li Shimin's admiration and is granted frequent access to the palace.