When John & Elaine Hansen leave the house for the day, Davey and Sally get permission to stay by themselves. Davey soon learns rights and responsibility go hand in hand.
Davey is angry because his father allowed his younger sister, Sally, to join them on what he thought would be a father-son outing. When Davey meets a fatherless farm boy on the trip, he realizes how important a father is to all his children.
When Mr. Hansen fixes Sally's doll carriage instead of helping Davey build a lemonade stand, a jealous Davey soon learns his father loves his children equally.
To celebrate "Good Neighbor Week" the townspeople give out balloons to the children. Davey misses out on the festivities because he decides to help a small child find her way home instead.