From the publisher's website:
A Pathfinder Society Scenario designed for 12th level characters (Tier 12).
In the secret upper levels of the Pathfinder Society’s headquarters, you must survive the deadly defenses laid in place by the masked Decemvirate and save one of their number from an assassin’s blade.
Nothing Ventured, Nothing Gained is the fourth and final scenario in the Tier 12 Eyes of the Ten campaign arc and is the sequel to Pathfinder Society Scenario #2-05: Eyes of the Ten-Part III: Red Revolution.
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.