A young man who left his hometown to fill his stomach during a famine year, started from gathering herbs and moved towards cultivating the truth, refining medicine, tasting poisonous grass, testing medicine... In this world where corpses are everywhere, he survived stubbornly like a weed. Cultivating the truth, refining energy, building foundation, forming elixir, forming primordial infant, on one hand, in the immortal world, cultivating the truth, gathering herbs, refining elixirs and making instruments, on the other hand, in the purple mansion, farming and constructing to gather true yuan, his joy is boundless.