Located in the charming rural town of Upson Down, this heartwarming comedy-drama centers around Annie Shearer, an adventurous eleven-year-old, and her beloved adopted stray dog, Runt. Together, they embark on a mission to rescue the family farm by entering the highly competitive Agility Course Grand. As Annie and Runt face a series of challenges and setbacks, they must rely on their unbreakable bond and determination to overcome obstacles and emerge victorious in the exhilarating competition.