The trilogy centers around a UNSC Special Ops team tasked with sowing dissension amongst the Sangheili after the events of the Human-Covenant war. Their mission is threefold: to arm the faction that opposes the Arbiter's faction (on the basis of the Office of Naval Intelligence's concern that the Arbiter is not a true ally to humanity), to keep both sides at each others' throats, and to gather intelligence. The team was hand-picked by Admiral Parangosky and consists of: