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.

Still reeling from the revelation that his uncle was a spy for the British Government, Alex is kidnapped and interrogated by an unknown group of paramilitary agents. It will take all his hidden skills to turn the tables on his captors.

Alex is thrown into the unfamiliar world of the ultra-rich as he struggles to perfect his cover identity, but risks alienating his best friend by keeping the mission a secret.

The Department finally solves the mystery of Ian's death and realise that an old, lethal enemy has resurfaced. Alex faces off against his own duplicate in a desperate battle to save the people he loves.