Ezekiel, Grand Master of the Librarians, must lead the Dark Angels to victory against a massive ork army. In the grim future of the 41st millennium, the Imperium is beset by alien races that wish nothing more than to defeat, enslave or devour humankind. Most numerous among these foes are the orks, inhuman brutes that cannot be underestimated. When the Adeptus Mechanicus invokes an ancient pact with the Dark Angels, Ezekiel, Grand Master of the Librarians, must lead the 5th Company to liberate the planet of Honoria from a vast ork army. Even reinforced by the regiments of the Astra Militarum, the Dark Angels face a tremendous challenge, and the Adeptus Mechanicus appear to have their own reasons for becoming involved in this conflict…