Who took Kat? Where did he take her? What is he doing with her?Thomas and Jed know they're up against something more than a sinister plot to manipulate the minds of Roblox players, and once again they enlist the help of Adrian and Carina to dig deeper as they get a desperate message from a friend they haven't heard from in quite a while.Trapped in Bloxburg, Jake cannot leave. Ever since Thomas manipulated the game when Kat was trying to help him learn to use his powers, the world has become stuck, unable to reset. It's up to the kids to save him and make things right.Unless they can find the beacon, battling carnivorous cockroaches along the way, Jake will die, his time already running perilously short.But, they must save him, because Jake has the answers the other Jumpers so desperately need.This time, though, they'll have extra help from a most unexpected source.