Sharon Spitz, a 13-year-old 8th grader get's braces the day before picture day. When getting braces at the ortadontist, there is a thunder storm and the power go's out. Something happens with Sharon's braces and now its making her do all sorts of weird things!

Sharon's friend Conner gets some acupuncture to treat his allergies and when he gets better, his self-confidence suddenly improves. When Conner starts hanging with a girl he has a crush on,(Tally) Sharon gets a little jealous and starts to think that she may have a crush on him!

Sharon reads Maria's diary after her braces open its lock, and she assumes that a list of negative character traits found in it apply to her.

Sharon and her mom try to rebuild trust in their relationship after Sharon defies her mom and goes to a concert she was forbidden to attend. Meanwhile, Nina hires Sharon's mom as her therapist.

Alden, who's working in a meat packing plant to raise money for his band, encourages Sharon to apply for a job in the office. She reluctantly accepts the job, but winds up becoming a vegetarian and quitting when her braces begin picking up sounds from the slaughter house next door. She tries to encourage Alden to quit also, and becomes somewhat disillusioned with him when he won't. But her resentment doesn't last long when it's announced that there's a fundraiser barbeque for Alden's band. Sharon wants to go, but is reminded by her nemesis, Nina, that it would be against her principles, since they're serving meat. Sharon decides to go to the barbeque to offer a meat-free alternative, but winds up in an altercation with Nina which results in Alden's guitar getting smashed. Sharon feels awful, but all is well when she discovers Alden carries no resentment over the loss of his guitar. It turns out that he's gotten a raise, so he can afford to buy a new guitar.