Six year old Bonnie and eight year old Debbie decide early one summer that they want to get rich. Nosing their way through magazines they decide upon some simple investments – selling a few items around to their neighbors and raising ducklings. They keep up the projects all summer, but the rewards don't turn out quite the way they expected. Rejoin the Fairchild family for a charming summertime in a time and place where the pace of life was a little slower and the joys of childhood were many.