Liz and Chris have survived Doctor Halt's horrifying experiments and escaped the facility. If only their freedom hadn't come at such a cost. Friends were left behind, and the government's hunters are hot on their tails. It seems a matter of time before they're returned to their cages - literally. Except these renegades are no longer innocent teenagers. Their physiology has been altered - granting them superhuman abilities - and they have already been forced to kill. The public sees them as traitors, but if they can reveal the truth about the government's tyranny, Liz and Chris might just stand a chance. The electrifying second book in The Evolution Gene series. Maze Runner meets Umbrella Academy in this haunting dystopian tale by New York Times Bestselling Author Aaron Hodges.