Summit at 'Mdama (Cutscene): Thel 'Vadam announces his intention for peace with the humans, and meets little support.Terms of Destruction: The Arbiter reminds Sanghelios it has no place for scavengers.State of Vadam: The Arbiter returns home from his odyssey to find his household despoiled.Shadow of Intent: Stolt leads the Rangers to repel boarders within and without the hull.The Return (Cutscene): The Shadow of Intent arrives to find Sanghelios in chaos.Opposing him are the Covenant-faithful Servants of the Abiding Truth, and Sangheili bandits formed in the chaos of the Schism.
It follows the return of Arbiter Thel 'Vadam to his homeworld at the end of the Human-Covenant War, and chronicles his efforts to reunite his people and establish the Swords of Sanghelios. Swords of Sanghelios’ campaign stands apart from the main game's story, taking place on Sanghelios in early 2553.