Sage challenges Rosie to learn the bass guitar with Desi’s help. But the fear of leaving Big Bella behind isn't the only thing holding Rosie back.

Desi’s been putting off an important conversation with Callie, but his friends encourage him to take action. Meanwhile, Sage talks to Fletch but it doesn’t go well.

Someone’s gotten into Cliff’s head about the future of the band, and he’s lost his rhythm, but Sage and Rosie are determined to get it back!

Mitchie's notebook has gone missing, and the group searches across Camp Rock to find it.

Fletch finally connects with the group as they prepare to finish the song with news that could change the band's future.

The group finally performs their new song for Lark. Will they prove to her they’re ready to go on tour?