When his dad announced they were moving to Iowa, Brian looked forward to making some new friends. But on his first day there, he makes an enemy instead -- Frankie Heller, the meanest kid in town. Brian needs to hang out with someone cool to get back on track. . . . Alex has always been the coolest guy around, and good with money, just like his dad. But now the family's car dealership is struggling, and he needs to make some cash to keep up appearances. Then an opportunity falls in his lap . . . . Max is a scientific genius, but his parents are always busy with their own work. Building an actual plane should get their attention -- if only he wasn't scared of heights . . . The answer to all three boys' dilemmas is Max's secret flyer, and each other. But Frankie and the laws of popularity and physics stand in their way. Can they come together in time to get their plan AND their plane off the ground?