14 year old, Cali moves to a new barn because of drama at her old barn. There she meets the horse of her dreams. Her best friend is now a horse that is on the line of being sold for only 1 dollar. Because of the owner not being able to understand her horse. Cali knows this horse is worth more so she buys the horse of her dreams for one dollar. She starts to work at this barn to earn money to take care of her new horse. Luna, Cali's beautiful dapple grey mare. Cali embarks on an adventure unexpectedly. Join her through this adventure as she explores it and find out what happens throughout the series of "The Dollar that Grew"