Sam wakes to see strange vessels gathered in the skies around London. As he stares up, people stream past, walking silently towards the enormous ships which emit a persistent noise. Only Sam seems immune to the signal. Six months later, Sam is absolutely alone. Injured by one of the flying drones which now populate London, Sam realises that without medical supplies he will die. Venturing above ground he is attacked again, but this time the drone is shot down in a hail of machine gun fire. In five minutes Sam learns two things: he is not alone; the drone injury should have killed him instantly...

It's been several months since the events of 'Earthfall', yet Sam's attempts to rouse the enslaved people of London from their trance-like state have frustratingly failed. Worse still, the enormous Voidborn drilling device which Sam and his friends disabled in London was one of hundreds scattered across the planet, all nearing the final stages of construction. Joining up with another resistance group, they plot to disable a drilling machine in Tokyo and in the process implant viral commands that will cause a catastrophic failure of the entire network. Just as that mission appears to have been...