When retired engineer Magnus Ironblood is tempted into one more campaign, he finds himself working alongside some unlikely allies. Sent as part of an Imperial force to bring to heel the secessionist forces of Countess von Kleister, this rag-tag army finds themselves outgunned. Digging deep into their reserves of courage and ingenuity they must fight the enemy forces with everything they have. But will it be enough to succeed where other have failed?