Francesca is a remarkable nine-year-old, fourth grader, with autism who's making being a detective her daytime job from 7:00am - 3:30pm!Francesca has been hired by her school's Building Manager, Mr. Kyle, to find out why the school is suddenly overrun with crumbs and ants! Francesca is confident she can solve the case, and help her school. The only problem is, in the middle of her investigation, she finds out there's something strange going on with her very best friend, Danny McPherson.Can Francesca solve this mysterious crumb problem AND find out what's wrong with her friend, Danny? As Francesca would say, "Consider the case already solved!"