Garden Heights revolves around the Pet Story life of Alice Whitt and her dog, Sam Whitt. The town is well-known for its dog shows. Other families include Amaya Flores with her dog, Roscoe. Thomas Jones with his dog, Lucy. Reece Mustella and Brock Thornton who share a house together. Henry Beniz with his dog, Simon. Coach Grinder with his dog, Meat. Melissa Carter with her dog, Bruno. And the villain in the story, Diana DeBore, with her poodle, Precious.