Humans have gone and cities are empty, looked after by bots.
But not all robots are machines. Echo is part-human, his heart ruled by an unreliable E-Mote chip which means he's pretty much a normal boy surviving on canned beans. Living his best life.
Then a space-pod crash-lands in his neighbourhood with a girl on board. Pandora.
She's his last hope, and apparently he's hers - if they really are all that's left alive...
