Liana and Alexa (Barbie and Teresa) are best friends who share everything, including their love of singing. One day while walking through the forest home from the village, the girls meet an old beggar who gives them a magical mirror. As they clean the mirror and sing, a musical apprentice muse named Melody appears in the mirror's surface, and tells the girls about the secret of the Diamond Castle.
Igby Slocumb, a rebellious and sarcastic 17-year-old boy, is at war with the stifling world of old money privilege he was born into. With a schizophrenic father, a self-absorbed, distant mother, and a shark-like young Republican big brother, Igby figures there must be a better life out there -- and sets about finding it.
When the popular, restless Landon Carter is forced to participate in the school drama production he falls in love with Jamie Sullivan, the daughter of the town's minister. Jamie has a "to-do" list for her life and also a very big secret she must keep from Landon.
The setting is Camp Firewood, the year 1981. It's the last day before everyone goes back to the real world, but there's still a summer's worth of unfinished business to resolve. At the center of the action is camp director Beth, who struggles to keep order while she falls in love with the local astrophysics professor. He is busy trying to save the camp from a deadly piece of NASA's Skylab which is hurtling toward earth. All that, plus: a dangerous waterfall rescue, love triangles, misfits, cool kids, and talking vegetable cans. The questions will all be resolved, of course, at the big talent show at the end of the day.