Since the beginning of time, the angelic forces of the High Heavens and the demonic hordes of the Burning Hells have been locked in eternal conflict for the fate of all Creation. That struggle has now spilled over into Sanctuary - the world of men. Determined to win mankind over to their respective causes, the forces of good and evil wage a secret war for mortal souls. This is the tale of the Sin War - the conflict that would forever change the destiny of man. 

Since the beginning of time, the angelic hosts of the High Heavens and the demonic hordes of the Burning Hells have been locked in a struggle for the fate of all creation. That struggle has now come to the mortal realm...and neither man nor demon nor angel will be left unscathed.... 

Jake Ramsey - an unassuming yet talented archaeologist - has been given the chance of a lifetime. Hired to investigate a recently unearthed Xel'Naga temple, he knows this latest assignment will open up whole new possibilities for his career. Yet when Jake discovers the remains of a long-dead protoss mystic, his hopes and dreams are irrevocably drowned in a flood of alien memories. Bonded to the spirit of the dead protoss, Jake has become the sole inheritor of the protoss' total history - every event, every thought - every feeling. 

Sixty-thousand light-years from Earth, the corrupt Terran Confederacy holds the Koprulu sector tightly in its tyrannical grip, controlling every aspect of its citizens' lives. One man dares to stand up to this faceless empire and vows to bring it to its knees: Arcturus Mengsk - genius propagandist, tactician, and freedom fighter. A monstrous act of bloody violence sows the seeds of rebellion in Arcturus, but he is not the first Mengsk to rail against such oppression. Before Arcturus grew to manhood, his father, Angus Mengsk, also defied the Confederacy and sought to end its reign.

Dominion ghosts epitomize the height of terran evolution and physical conditioning. Augmented by technologies that harness their innate psionic potential, these lethal operatives use telepathy and other superhuman powers to isolate and destroy the enemies of the Dominion. But when the hunters become the hunted and ghosts start disappearing without a trace, even the most dangerous human soldiers in the Koprulu sector have something to fear....