Shelby Bloom is no sporting superstar whizz kid or social butterfly. But she is funny - at least she thinks she is - so she decides she'll be the funny girl the one who wins friends by keeping them in stitches.
After her teacher announces a good citizenship contest Shelby tries to outdo her classmates with helpful deeds. But again and again her plans go wrong. Soon Shelby's neighbours are angry and her friends are annoyed. Even her dog is avoiding her. Can Shelby right all her wrongs and still have a chance at the prize?