Lin Yuan accidentally traveled to the eve of the Anshi Rebellion in the Tang Dynasty during an archaeological excavation. With his modern knowledge and historical background, he tried to change the direction of history, but found himself trapped in a political whirlpool. During his escape, he met Li Waner, the daughter of a nobleman, and the two joined hands to fight against An Lushan's rebels. After experiencing many hardships, Lin Yuan gradually realized the irreversibility of history, and finally chose to influence the times in another way, and completed his self-growth in the process.