Set in a modern city amid rapid economic growth, Yun City conceals powerful underworld factions, where traditional clans coexist with rising corporations. The story unfolds in Yun City, an economic hub on the shores of the East Sea, where the Ye Group and the Azure Dragon Chamber of Commerce are locked in a battle of wits. Mu Chen appears to be an ordinary live-in son-in-law, but in truth, he is the master of the Heavenly Secrets Pavilion, which controls an underground intelligence network. His double identity lays the groundwork for the business wars and underworld conflicts to come, as clashes between traditional clans and secret organizations drive the story forward.
