What is it to be human?

• Post apocolyptic ( environmental collapse not war)
• Scorced earth. Human living in sealed communites
• War conducted with biological "bombs"
• Weaponised synthetic humans. Not aware they are.
• Psyche contained in "stacks".
• Able to move stack between "Skins" ( Ref : Altered Carbon )  
  
  Update to Dicks (dated ) android with gears and servos. Synthetic androids
  
  Same themes but thoroughly modernized (synthetic clones, "skins" ) , transferable ( infected / hacked ) stacks ( ref: Richard K. Morgan's Altered Carbon.)
  
  New skin contains bio weapon. Contagious, Deadly.