When it comes to giving advice on divorce issues and impounded pets, 13-year-old Theodore Boone is first choice with his teachers and classmates. Theo knows more about the law than most lawyers. But he also knows he has no business getting involved in his home town's first murder trial in years. That is, until a witness tells Theo he saw things the day of the murder that could bust the case wide open. The only problem is, he's too scared to talk — Theo is the only person he'll trust. With the trial about to be lost for lack of evidence, and a witness who won't take the stand, suddenly Theo finds himself caught in the middle of his — and the town's — biggest case ever...