Su Wangyan accidentally inherited the ancestral jade shop "Cang Jade Tower", but found that the shop was a secret staking of an intelligence organization that had been passed down for thousands of years. She is forced to take over anonymous commissions as the "owner of the store". Each customer's jade contains unsolved cases: ancient jade blood contracts, missing wealthy businessmen, serial murders... As she unravels the mysteries, the store's power system is gradually activated - completing the commission can unlock ancient books, connections, secret guards and other resources. At the same time, the approach of the mysterious consultant Gu Chenzhou not only uncovered the old case of her father's death, but also involved her in a conspiracy that spanned twenty years. When "Cangyulou" grows from a street shop to the core of the underground intelligence network, Su Huanyan must find a balance between truth and humanity, power and conscience.
