A terrible curse descends upon the town of Willowshore! Located in haunted Shenmen in the heart of the sprawling continent of Tian Xia, this horror-themed campaign pits the heroes against supernatural threats and the harsh realities of facing an upcoming winter when all contact with the outside world has been cut off by a mysterious wall of fog. What fiendish menace might be behind the Willowshore Curse, and can it be stopped before everyone in town is lost? The Season of Ghosts Adventure Path is a four-part series of connected adventures that form a complete Pathfinder campaign for characters of 1st to 12th level.

In the campaign's opening adventure, the heroes awaken disoriented and alone in a forest clearing after taking part in a traditional festival on the last day of Spring. They soon discover their hometown of Willowshore has been invaded by monsters and has fallen under a sinister spell