Welcome to the dark nightmare future of the 41st Millennium, the grim era of the Imperium of Man. The battlefield is spread across a million different worlds. Powerful armies of Space Marines, Imperial Guard, and Tau Fire Warriors are in constant conflict, unleashing carnage via mechanical war machines, crushing artillery, and vast starships. Warhammer® 40,000: Fire Warrior™ follows one day in the tumultuous life of Kais, young Tau Warrior who must battle alone against a force that shows no mercy: The Imperium of Man. Kais will soon learn there is a darker foe at hand and becomes entangled in a frightening story that leads him through an ongoing war.