Computer software has become even more sophisticated, and Nathan has been hired to help calibrate emotional responses for a new adventure game.

Joseph Walker thinks he might well be the Master of Horror. You might think so too.

Gilles embarks on his last mission: taking down the Fourth Ambit.

Gilles flees to the Arctic, but he quickly learns that even that icy waste isn't safe from AIs housed in the satellite array.

Gilles learns that he's been set up from the very beginning, but one of the many Third Ambits may provide a clue to his escape.

Gilles doesn't know who to trust, but when he is abducted by the Corporate Consortium (the government), he begins to realize the magnitude of the conspiracy – and just how bad his own situation is.

Gilles tracks his friend's murderer to the Event Horizon of the Second Ambit and discovers that things are quite what they seem in the digital world.

Gilles takes a job to bring a 'spectre' offline from the Second Ambit, but when he learns that the guy's actual body is no longer working, Gilles has to decide if forcing him offline is really another name for murder.

Working on his own for the first time, Gilles sabotages the opening of a new Ambit park, bringing him more fame – and more dangerous enemies.

Forced into tracking for Facia Corpse, Gilles breaks into an Ambit park to steal code from a demonic teddy bear.