Named after a character in a Shakespeare play, misfit sixth-grader Hero becomes interested in exploring this unusual connection because of a valuable diamond supposedly hidden in her new house, an intriguing neighbor, and the unexpected attention of the most popular boy in school.
Sly the Sleuth, also known as Sylvia, solves three mysteries for her friends and neighbors, all involving pets, through her detective agency, Sleuth for Hire.
Fifth graders Drake Doyle and Nell Fossey use their detective and scientific investigation skills to solve cases which involve food poisoning, missing terns, a haunted treehouse, and a pig in a pit.