In the 1960s, Forrest Lin's family is poor. He obtains an ancestral Jade Pendant, traveling between the modern era and the 1960s. He uses price differences to accumulate wealth, helping villagers and Educated Youth. He introduces modern seeds, machinery, fertilizer, revolutionizing farming, leading the village to a great harvest. He surveys minerals, aids development, and refuses profiteering. He leads people out of poverty, becomes prosperous, and finds true love.