In a dystopian New Haven City, Nova, an orphan, finds a key that unlocks a hidden chamber containing pre-Dominion tech and a dormant AI named Oracle. Betrayed by her ally Jaxon, who seeks freedom from the Dominion, Nova uses the key’s power to activate a defense system and later leads a rebellion against the Dominion with Oracle’s guidance. Jaxon, seeking redemption, joins Nova’s forces and helps orchestrate a final assault on the Dominion’s core.