Fifteen-year-old Zack Novak and three friends, Joel, Erin, and Libby, meet a strange English inventor, Hunter MacMurray. He introduces the four to a gizmo named Dingo, which transports them from the USA to England, with only a few hours to prevent a bomb attack on Yankee Stadium. Can Zack unravel a mystifying clue? Many lives depend on the toughest decisions Zack and his friends will ever make.