A piece of jade was unearthed from a dilapidated mausoleum at the foot of the Qinling Mountains. This piece of jade involved Gu Yuan, a cultural relic restoration expert from the Shaanxi Museum, in a decryption game full of conspiracies. The clues pointed to the famous jade seal. What secrets did Qin hide? And where will these secrets take Gu Yuan? Everyone is welcome to read the gilded key of the Mountain and River Map and discover the secret together...
