Synopsis

The Glitch had come to stay. In the city - the fallen bastion of humanity, artificial intelligence reigned—powerful and unstoppable. Those few humans who had survived the Great War, were forced to hide in Fortresses - tiny oases, beyond of which protective borders machines hunted them mercilessly.
The days of the elders were consumed by grappling with one urgent problem after another. They no longer had the time or mental energy for imagination.
Lonni, turning fifteen in about three months, however, still wanted—and managed—to dream. She even entertained the thought of fixing the Glitch and refused to accept that the walls of the Fortress would forever mark the boundaries of her narrow world. For that very reason, she didn't resist much when Ada and Karel pulled her into a risky venture...