With three people claiming ownership and not many clues to go on, Dawn Bosco faces a tough mystery when she attempts to identify the rightful owner of the shiny red purse she finds in the schoolyard.
Assisted by her cat Max, sixth grader Minnie starts up her new detective agency by investigating a kidnapping and a thief who will steal anything, even a hot stove.
While trying to hide an incriminating report card and dodge meddling siblings, fifth-grade twins Hunter and Zack set out to save their town from a diabolical dentist who is planning to blow it to smithereens.
When Tori's cousin and best friend, Sumiko, visits, the two girls investigate a mystery involving a missing zoo animal and strange noises in the back yard.
Alex sneaks into the zoo to visit his favorite animal, but when a cat sneaks through the same hole and gets lost he must find her before any of the other animals do.