Ancient book restorer Ye Zhiwei has an unpopular skill, but is laughed at as "useless" in modern cities. Until he discovered a secret map from the Ming Dynasty among the demolition ruins, which accurately predicted today's underground crisis. He saved a city block with a line of Tangut script and exposed a tens-billion auction scam with half a copper coin. Every ancient object his fingertips touch will reveal the buried historical truth. Local Feng Shui maps, transnational cultural relic smuggling, and four-hundred-year-old family conspiracies emerged one after another - Ye Zhiwei discovered that what he wanted to restore was not only cultural relics, but also the memory of a civilization that refused to be tampered with. "You use capital to build buildings, and I use knowledge to defend the city."
