To save the tour, Joe and Kevin devise a plan to help Nick study for his makeup test. Joe goes as far as writing catchy "Geometry songs" to help Nick memorize the material.

As the JONAS World Concert Tour approaches, the boys' father, Tom, warns them that they cannot go on tour unless they pass all their school exams. While Kevin and Joe are confident, it is revealed that Nick has failed his geometry midterm .

Joe and Stella struggle with the realization that they will be separated for the entire summer while the band is on tour. Stella initially feels upbeat when the tour is at risk of cancellation, as it would mean spending every day with Joe, which leads to some awkward moments between them.