In the bookmobile, librarian Minnie Hamilton and her rescue cat, Eddie, roll out great summer reads to folks all over the lake town of Chilson, Michigan. The bookmobile is making its usual rounds when Minnie and Eddie are flagged down by a woman in distress. The womans husband, a famous artist, needs emergency medical care. After getting him into the bookmobile, Minnie races the man to the hospital in time . . . but his bad luck has only just begun. After disappearing from a rehabilitation facility, the artist is discovered slumped over the body of a murdered woman. Minnie knows that her new friend didnt commit the crime, but the evidence paints an unflattering picture.