Jim Raynor, a marshal turned rebel, leads a vigilante crusade against the Terran Dominion and its ruler Arcturus Mengsk. Haunted by betrayal and the memory of allies lost, Raynor operates on the fringes of space, building his forces and searching for a way to bring down the regime. When old promises and new threats converge, Raynor is drawn into a conflict that stretches beyond the politics of the Dominion, forcing him to confront enemies both human and alien in a war that will determine the fate of the sector.