The heart-stopping sequel to Split Second. Nat and Charlie are on the run, and in more danger than ever . . . Nowhere is safe for Charlie and Nat. They have each other, but Roman Riley's networks could reach them at any time. Charlie believes the only option is to go undercover in Riley's team, and sneaks away from Nat to pursue her plan alone. Nat is desperate to find Charlie, but his family are in danger and Riley is coming ever closer. Even if Nat and Charlie can find each other again, could being together be even more dangerous than being apart . . .?