Something is rotten in Kislev. Beastmen are raiding, killing and burning. The dead are walking the streets. And worst of all, no-one seems to mind that the dead are walking the streets.The Tsar of Kislev appeals for help to his old ally, Graf Boris Todbringer of Middenheim. He's expecting a detachment of the elite Knights Panther. Graf Boris sends the Player Characters.Something Rotten in Kislev contains background information on the nation of Kislev and three complete roleplaying adventures, with colour floorplans and player handouts. The adventures can be played as part of the Enemy Within campaign, as a Kislevan campaign in their own right, or as separate, independent adventures.