Formerly wealthy widow must move in with the lower middle-class foster family living in a house she owns in order to establish residency prior to selling it.

Milton's Secret focuses on 11 year-old Milton Adams who is growing up in an uncertain world. With his parents constantly stressing about their careers and finances, and the neighborhood bully tormenting him, Milton feels his whole world is in crisis. But when his Grandpa Howard comes to visit, he discovers anxiety about the past and worrying about the future only make things worse and prevent him from finding true happiness moment to moment.