In book two of this series, the war continues with between the robots. Erin and Nick are two human children raised by robot parents. Erin and Nick, with Ava and Jackson, the illegal robot children in which the parents made, take their robot parents on the run to escape from the killer robots. The family arrives in the forest near a maze of caves where they meet Lida Mae.

The robot father connects to the internet which allows the killer robots to track their location. When the robots come for the family, the parents shut down so they can’t be tracked which leaves the kids on the run through the caves. They discover a cavern that is for robots only. Ava connects and learns there are baby robots in the cave that have the ability to grow as humans do. Eventually the killer robots surround the kids within the cave and prepare to kill everyone, human and robot. However, Erin comes up with a plan to connect her robot sister, Ava, to a killer robot and reprogram the killer robot with kindness. Because the killer robots are all internet connected, they all reprogram to see the good in the world.