A father and daughter are exiled and trapped in a lava rift valley filled with poisonous sulfurous mists and roaming exotic beasts. Shen Zhao, a young woman with extraordinary medical knowledge and ingenious crafting skills, uses sulfur to repel the beasts, silver needles to cure poison injuries, and a cleverly designed water purification device made from earth and stone to turn poisonous water into clean drinking water, humiliating the unscrupulous black-market merchants who monopolize supplies. She rescues a powerful warrior suffering from a bizarre poison of ice and fire and takes him in as her bodyguard. She cultivates rare medicinal herbs in the toxic soil, making beauty elixirs and life-extending pills. When faced with food blockades imposed by enemies, sabotage by counterfeiters, and attacks from bandits, she refuses to rely on bloodshed. Instead, through medicine, workshops, and vast fertile farmlands, she builds a sanctuary that shelters countless refugees. With her exclusive business rules, she gains control over the world's trade networks, turns her desperate circumstances around, and transforms a deadly rift valley into a health and wellness paradise coveted by all.