Seven-year-old Suzanne Collier has great insights and a quirky personality that fit perfectly with her dream of wanting to be a detective. Motivated by her desire to solve crimes, Suzanne drives everyone crazy by asking too many questions. But when she stumbles upon her biggest mystery yet, Suzanne begins a quest to understand why people do the things they do.

As Suzanne attempts to solve the case of a dead hobo in an Illinois cornfield, she uncovers clues, helps two friends in need, and hopes she can solve the case before someone else gets hurt. Her next case comes quickly as Suzanne...