Once a proxy, now the figurehead of the Revolution, Syd is a savior to some and a target for others. His bodyguard Liam must protect Syd with his life but armed Machinists aren't the only danger in the post-Jubilee world. A horrible disease is infecting people and since Guardians are hit first the government does nothing to help. Syd decides it's up to him to find a cure. . . And what he discovers leaves him stunned.

This heart-stopping thriller is packed with volatile action and breathtaking heroics that will have readers racing to its epic conclusion.

"Off-the-charts amazing." --Marie Lu, New York Times bestselling author of the Legend trilogy

"Nonstop action and breakneck pace characterize this exceptional thriller...thought-provoking and breathtaking." --VOYA