Imperial Operations on Typhon are stretched to breaking point, with supply lines coming under constant fire from the Heretic Traitors dug into the mountainous terrain. The main supply line, known as the Red Ball Express, is the most vital of these routes, being the only viable passage for the heavy vehicles of the Astra Militarum between the Landing Zone and the battle lines.
With heavy losses on the front, the survivors of the 92nd Cadian have been reassigned to guard duty on the convoys while they await desperately needed replacements. Little do the men and women of the Second Company know what dangers await them on the Red Ball Express
It is the 41st Millennium, and in the Grim Darkness of the far future, There is only war!