Sima Yan, a college student, accidentally obtained a brief summary of the general history, and teamed up with a group of people with their own obsessions to uncover the overlooked truth in the gaps in history. From the bamboo slips of the Warring States Period to the tiles of the Ming and Qing Dynasties, they traced the hidden details in cultural relics and legends, and used ordinary power to piece together the warmth of civilization. It turned out that those silent times contained the most touching perseverance.