What happens at the end of Where the Red Fern Grows?

Then ending of "Where the Red Fern Grows" is that Old Dan dies because of a Mountain Lion and was buried in the forest. Little Ann goes missing to find the grave of Old Dan and dies right next to Old Dan's grave because of grief. The family moves to the city where Billy purchases the two dogs with the money they acquired from the Coon Contest. Billy goes to the grave before they leave and noticed that a Red Fern grew between them. They go in the Ford Truck and leave for the city.