Shen Sui, a doctor of modern agriculture, traveled to a northern village during the famine of 1960, and joined forces with veteran Zhou Yanan to secretly stockpile grain, improve soil quality, and cultivate drought-resistant crops during the grain shortage. Mother-in-law Lin Yue'e went from hostility to acquiescence, widow Su Hongmei regained her medical skills to save people's lives, Zhao Youtian, the son of the village party secretary, secretly coveted the technology, and the orphan Xiaoman became her keenest eyes and ears. In the turbulent times, they used their wisdom and silent sacrifice to build a wall for their loved ones to prevent them from being devoured by famine.
