Catie Calloway’s family has moved a lot, which is rough on an only child. When Catie finds herself in another new city and another new school, she is glad to meet Josephine, a girl who appears in the big old house that is her family’s new home. With a relationship founded in loneliness, the two girls are immediately drawn to each other and happy to have each finally found a best friend. Catie’s parents, however, are beginning to question their daughter’s odd behavior. To them, it appears she hasn’t a friend in the world, and sending her away to summer camp seems to be the only answer. Unless, of course, Catie can come up with a new friend fast.