Sam Graham is a dragon fan and a big truck man. Monster trucks to be specific. And when the family minivan needs replacing, Sam has the perfect plan: get a family monster truck instead!

But convincing Mom that a monster truck is the way to go may prove to be a little too difficult, even for Sam. So he comes up with plan number two: Turn the minivan into a monster minivan with a super-cool dragon painted on it! First, though, Sam has to convince his family why a monster minivan is the best choice--oh, and learn how to paint a dragon...