The trail leads down...
From Fallen London Wiki
| A player-created Guide is available for this content: Engaged in a Case (Guide) |
| Spoiler warning! This page contains details about Fallen London Actions. |
From: The Case of the Missing Heiress
Action Cost: 0
To pursue the case further, you must gain access to the Clay Quarters.
Game Instructions: Use the map to go to the Clay Quarters.
Unlocked with 
Evidence in the Case of the Missing Heiress exactly 3
Locked with 
A Visitor to the Clay Quarters
