In the near-future, the composer Jerome lives alone in a shuttered high-rise flat, safe from the roaming gangs outside who practically rule the streets. His only company is his beloved music technology and a malfunctioning robot, NAN 300F.

Jerome has been blighted by artistic block ever since his wife, Corinna, left with their daughter, Geain, years earlier. Desperate to see his daughter again, he has decided to deceive his wife and a representative from the Department of Child Wellbeing. The key to this is the actress Zoë...