The Page Unturned

The Page Unturned is an off-screen companion adventure in Pillars of Eternity.

In-game description
The pitch:

The conclusion:

Trivia

 * This is a reference to the book "The Name of the Rose" by author Umberto Eco. The novel is set in 1327 and follows a similar plot where monks are murdered with poison embedded within the pages of a forbidden book.