Matt, a white boy from Michigan. Billy, a Blackfoot boy from Montana. Both orphaned, Both adopted and raised by Billy's grandparents as brothers. Growing up together on The Diamond-Bar ranch, they both served their country At opposite sides of the world. Matt went to Europe, Billy went to the Pacific. After the war, Matt came home to discover that his brother was missing in action. Billy is recovering from his wounds at a hospital in Darwin, Australia, but he has no idea who he is. At The Diamond-Bar, Old Jake, An enormous grizzly with an appetite for beef, and men, has come back to the ranch and he's hungry!