From the frozen wastes of Kislev, Stefan Kumansky desperately searches for his erstwhile comrade Alexei. As he heads despondently towards the Imperial capital Altdorf, Stefan stumbles across a fortified community waging a bloody war against the dark forces of Chaos. Attracted by their strict regime of military discipline and unwavering moral strength, Stefan finds himself welcomed as a recruit to their cause. But when Alexei arrives as a prisoner, this bastion of strength is thrown into turmoil as a taint of evil spreads throughout the land.