She traveled back in time and became a vicious stepmother in 1978. Her four children trembled when they saw her, and the whole village called her a snake-hearted person. She rolled up her sleeves to improve the saline-alkali land, and dug out a rusty iron box with a hoe—it contained a wheat variety that had been lost for forty years, and a secret that a professor from the Republic of China guarded with his life. Starting from a bowl of corn dough, she raised her four children to become doctors, engineers, writers, and scientists. Later, the reporter asked her how she earned her billions, and she said: I am just a farmer.