Waking up in the Jin state of the Spring and Autumn period, he becomes a small lord. The Jin state has just experienced the monarch's call for many nobles to eliminate the Zhao family. Domestically, the aftermath is still unsettled; internationally, turmoil continues. As Lu Wu, a small noble who has undergone a soul-transmigration, he decides to improve his life with his knowledge from the future before becoming a great lord. This is an era where a time traveler, no matter what they do, will inadvertently become an inventor!