Following his uncle’s mysterious death, Alex Rider begins a quest for answers that leads him into a dark world of secrets and espionage. He comes to realise that his uncle wasn’t the man he thought he was—and that Alex is expected to follow in his footsteps.

As his covert investigation of Point Blanc gets underway, Alex discovers that he's been left vulnerable. The Department seem to be closing in on the double-agent in their ranks—but Yassen gets there first.

Appalled to realise that the students in Point Blanc are being mysteriously changed by Doctor Greif, Alex enlists Kyra and James in a plan to escape. Blunt spearheads an investigation into Parker Roscoe.

Tom lands in the crosshairs of the conspiracy behind Ian Rider's murder. Alex and Kyra find evidence of Dr. Greif's secret plan.

Alex leads a Special Forces squad back inside Point Blanc in a stealth mission to rescue his friends and stop Greif's plans.