The human crew of the "Pillar of Autumn" tries to hide from the hostile aliens in Slipspace, where they uncover an ancient mystery and the long-lost race that inhabits a massive, artificial ring-world, but after they are forced to crash-land on its surface, the humans get caught in middle of a violent struggle for control of the land.
On an Earth nearly rid of humans, with all survivors enslaved by their Sauron captors, Jack Manning, the unwilling chief of security for the Sauron-instated government, and President Alex Franklin begin an underground resistance movement in preparation for war.
Kyle Katarn, a recent graduate of the Imperial Military Academy on Carida, swears revenge on the Empire for its role in his father's death and gets his opportunity when the Alliance asks him to break into the Imperial Research Facility and steal the Death Star plans.
After Kyle's father, Morgan Katarn, discovers the Valley of the Jedi, he passes along a description of it to a Jedi named Rahn, who falls into the hands of Jerec the Dark Jedi, who uses the information to steal information to use on the Dark Side.
Eighteen-year-old Jim Raynor discovers that his official mission in the interplanetary war is not as noble or straightforward as he originally thought and joins forces with streetwise soldier Tychus Findlay to fight corruption.
In this prequel to Resistance 3, Lieutenant Joseph Capelli, an enemy of the state, fights to save the country and its citizens from an alien virus that is turning humans into Chimeran killing machines.
The human crew of the "Pillar of Autumn" tries to hide from the hostile aliens in Slipspace, where they uncover an ancient mystery and the long-lost race that inhabits a massive, artificial ring-world, but after they are forced to crash-land on its surface, the humans get caught in middle of a violent struggle for control of the land.
As the fortress world of Reach is bombarded to rubble, there are a few human survivors and one remaining SPARTAN super-soldier, the Master Chief. Fleeing the carnage, The Master Chief crash-lands on Halo in the midst of a massive Covenant occupation. Built by a long-dead race, Halo harbors many deadly secrets and one may kill the survivors.