A classroom of unruly students treat their caring and lovely teacher with complete disrespect. They throw spitballs during story-time and refuse to sit in their seats during math. They take advantage of their teacher’s good nature until she disappears and they are faced with a vile substitute. Near her wits’ end, Miss Nelson doesn’t come to school one day. Instead, the kids have a vile substitute–the nasty Viola Swamp–who loads the boys and girls with homework and never gives them a story hour. By the time Miss Nelson finally returns, the children are so grateful they behave well. But now Viola Swamp is missing…