After finding out Mihko reinstated the Reckoner Initiative in Breakdown, Cole and Eva confronted Mihko head-on. But when Eva stumbles across a secret laboratory, she finds her worst nightmares come to life. After a vicious battle with Mihko's newest test subject leaves Cole close to death, Eva is forced to continue their investigation without him. With Brady missing and Cole in recovery, Eva is on her own.

What new terrors has Mihko created? Can they be stopped? And can Eva find Brady before it's too late?