Unity Director William Barris discovers that the Vulcan 3 computer has become sentient and is considering drastic action to combat what it sees as a threat to itself. Vulcan 3 has been kept ignorant about information related to the Healer revolutionary movement by Managing Director Jason Dills, who is still loyal to its (also sentient) predecessor, Vulcan 2. Vulcan 2 fears that it will soon be superseded by Vulcan 3, and previously established the Healers as a movement to overthrow its successor.