Baron has always dreamed of following in the footsteps of his favorite detectives, and when a new client asks Baron's backyard detective agency for help, Baron believes he may finally have a chance to prove he is as tough and in control as his heroes.
Young Baron hopes to become a tough detective in control some day but his older sister argues that he is a wimp. Suddenly a new client appears asking for help from their detective agency, and Baron and his best friend Myles can't agree on what to do. Their new business is in danger of failing due to distressing events.
Teenager Harper Winslow starts a fire at school and ends up in juvenile court where he is assigned to write a 2,000 word essay on how he is going to turn his life around, and gets unexpected help from the school counselor and a writing group known as the Tuesday Cafe.
Mr. Duncan sends Charlie, Jeffrey, and Sidney to take karate lessons after detention. But this doesn't seem to solve their behavior problems. Then, the boys learn how to be friendlier with people.