The narrator dreads the start of summer vacation since she moved towns due to her parents' divorce. Within the first few weeks, she becomes bored without friends until she finds a magical talking and flying toilet brush named Lewis, who becomes her best and only friend. However, others think she is weird for befriending a toilet brush. Over the summer, Lewis goes missing several times, causing the narrator great distress. By the end, Lewis is still lost and the narrator reluctantly starts a new school year friendless and sad.