Sadie Brown is determined to prove she's more than just a kid. With her loyal horse Barney by her side, she follows a mysterious map that leads her into the heart of her grandpa's rodeo past. From dangerous river crossings to forgotten arenas, Sadie uncovers the story of a lost friendship and a hidden treasure buried beneath an old oak tree. But the greatest discovery of all? learning that the true treasure isn't found in silver buckles, but in Courage, family and the grit to ride with heart.