Concordat

Returning to his master after secondment to the Armageddon 252nd regiment on Mistral, the young Commissar Sebastian Yarrick is drawn into a Chaos plot on Aighe Mortis. Contagion is spreading throughout the populace and the Inquisition require someone with experience of fighting the archenemy. After the horrors he has faced, can Yarrick find the source of the danger and destroy it?