When Mandie's grandmother learns that Miss Hope, Mandie's favorite teacher, has gone missing, a sudden trip to Asheville finds Mandie and her friends in the middle of a perplexing mystery! Why would Miss Hope leave without telling anyone? Grandmother Taft wants to tell the police, but Miss Hope's sister, Miss Prudence, refuses - she doesn't want everyone to know about her personal life. But with no additional help, and the townspeople seeming to know nothing, it's almost as if no one even wants Miss Hope to be found....