From the publisher's website:
Absalom is Golarion’s busiest and most populace city, but one of its largest populations goes largely unnoticed. You must venture into the sewers beneath the City at the Center of the World to stop the meddling dragons within from disrupting a vital Pathfinder Society operation.
A Pathfinder Society Scenario designed for Levels 3-7.
This scenario is designed for play in Pathfinder Society Organized Play, but can easily be adapted for use with any world. This scenario is compliant with the Open Game License (OGL) and is suitable for use with the Pathfinder Roleplaying Game.