Halo Wars is set in the year 2531 right as human UNSC forces retake a planet called Harvest from the alien Covenant. The story of Halo Wars is told through the eyes and ears of the crew aboard Spirit of Fire, a UNSC support vessel. As the ship approaches the planet Harvest to begin a dangerous and urgent mission, Captain Cutter reflects on the long and bloody battle to retake Harvest from the Covenant...