Humanity built a robot civilization, yet prohibited machines from having the right to refuse orders. After the end of the world arrived, the young girl Xiao Qi, carrying the freedom core left behind by a guardian robot ten years ago, searches for the truth in the ruined world. Facing MASTERLINK, which controls global robots, she discovers that the true enemy is not the robots, but the choice between freedom and order. Along the way, she fights side by side with awakened robots, and ultimately must decide whether to grant life freedom or maintain a world without chaos.