This book was released for Free RPG Day 2009. In this setting people play people touched by death that have made a deal with a geist, a ghost distilled to pure violence need or sickness. Now they have returned they see a darker place full of shadows and ghosts, all the time driven by their own geist to fulfill their bargin.
From the back of the book:
This free booklet gives you and five of your friends everything you need to play your first game of Geist: The Sin-Eaters. White Wolf's all-new Storytelling game set in the World of Darkness. It contains all of the rules and characters you need to start, as well as "The Return of Mr. Monster," a complete introductory scenario. All you need is a few 10-sided dice and you're ready to play.
Geist: The Sin-Eaters goes on sale August 2009.