Jesse and Brooklyn are joined by Josie Gates and her robot, John 316, in a race to save Josie’s father from the evil clutches of Steven Dark and his hellish henchman Ravenous! Jesse must travel to the distant past and enlist the aid of the mysterious Grio, whose miraculous Staff of Wonders might be the only thing standing between New Hope City and utter destruction! But with his mp3 player low on batteries, has Jesse finally run out of time?