A modern young man accidentally traveled to ancient times. Amidst the family's decline and internal and external troubles, he relied on modern knowledge and extraordinary wisdom to lead the family to rise. Facing the drought, he used brilliant strategies to improve farmland and hoard food, but was betrayed and almost destroyed. Occasionally obtaining a mysterious secret book, he mastered the lost skills, but was involved in court disputes and power struggles. Teaming up with the third prince, he repeatedly resolved crises, but also experienced betrayal, life and death, and gradually grew into a leader. During the rise of his family and the frame-up of his enemies, he continued to explore the true meaning of human nature and destiny, and wrote a legend of struggle full of wisdom, emotion and strength.