Marshall Chao transmigrates to the Daqi Dynasty during a severe drought and famine. He survives using modern knowledge, inventing Tofu, Honeycomb Coal, and distilled spirits. He gathers capable people, outwits local gentry in Peaceful County, gaining a foothold. He meets Elena Wong, a former imperial princess, and with Peaceful County as his base, embarks on a journey to Contend for Imperial Rule.