Opal, rebel without a cause, enemy of the power structure, has a mission: retrieve her little sister Clarissa. Love, loneliness, guilt, and vengeance fuel her journey. Her AI becomes more than digital construct, her world expands into infinite dimensions, her opponents proliferate, and her allies manifest. Loneliness, guilt, and vengeance are expendable fuels. Love alone remains.

It got a little weird toward the end, throwing out unknown concepts.