Requiem for the Red Raven (2010)

From the publisher's website:

You and your fellow veteran Pathfinders are sent, along with Venture-Captain Adril Hestram, to revolution-torn Galt to deliver the famous sword, the Pale Maiden, to the newly re-opened Woodsedge Lodge. All is not as it seems, however, when the lodge is attacked during a ceremony and a famous Pathfinder is murdered. The Lady of the Lodge, Venture-Captain Eliza Petulengro, puts you on the mission to solving the murder and catching those responsible.

Requiem for the Red Raven is the first part of the four-part Eyes of the Ten campaign arc. It is a two-slot scenario and is meant to be played in 8 to 10 hours.
It is followed by Pathfinder Society Scenario #54: Eyes of the Ten-Part II: The Maze of the Open Road.

A Pathfinder Society Scenario designed for 12th level characters (Tier 12).

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.