Best friends Hopper and Lance have been waiting anxiously for the day Hopper's uncle Chip could take them up to his place, the Chipper One. That day has finally come. The boys eagerly board the plane! Fifteen minutes into the flight, tragedy strikes. To make things worse, they're flying amid a huge thunderstorm right into the path headed toward a tornado!What will they do? What can they do? Can they fly the plane? Can they land the plane or crash? How will this day end?