Tractor Mac and his friends welcome a new vehicle to the farm, a small tractor named Daisy, helping her get started on her difficult work and encouraging her to keep at it, one small step at a time.
Betty the school bus is upset over making mistakes on her very first day, but Tractor Mac and the farm animals provide tips and encourage her to practice and try again.
In Stoney Meadow Farm, Fergus the calf does not like change and misses summer's flowers and shade trees until Tractor Mac helps him to appreciate the changes autumn brings, such as colorful leaves, pumpkin festivals, and apples.