Blue went forward, stepping easily on the soft sidehill. In rough country, whatever you want to see is nearly always around a sharp bend; you read it so in the stories and books of travels, and when you ride out in the hills, you find it so in reality. Billy Louise rode for three or four minutes before she received any inkling of what lay ahead, though Blue's behavior during that interval had served to reassure her somewhat. He was interested still in what lay just out of sight beyond a shoulder of the hill, but he did not appear to be in the least alarmed. Therefore, Billy Louise knew it couldn't be a bear, at any rate. They came to the point of the hill's shoulder, and Billy Louise tightened the reins instinctively while she stared at what lay revealed beneath. The head of the gulch was blocked with a corral--small, high, hidden from view on all sides save where she stood, by the jagged walls of rock and heavy aspen thickets beyond. The corral was but the setting for what Billy Louise stared at so unbelievingly. A horseman had ridden out of the corral just as she came into sight, had turned a sharp corner, and had disappeared by riding up the same slope she occupied, but farther along, and in a shallow depression which hid him completely after that one brief glimpse. Of course, the gulch was dusky with deep shadows, and she had had only a glimpse. But the horse was a dark bay, and the rider was slim and tall and wore a gray hat. The heart of Billy Louise paused a moment from its steady beating and then sank heavily under a great weight. She was range-born and range-bred. She had sat wide-eyed on her daddy's knees and heard him tell of losses in cattle and horses and of corrals found hidden away in strange places and of unknown riders who disappeared mysteriously into the hills. She had heard of these things; they were a part of the stage setting for wild dramas of the West. With a white line showing around her close-pressed lips and a horror in her wide-eyed glance, she rode quietly along the side of the bluff toward where she had seen the horseman disappear. He was riding a dark bay, and he wore a gray hat and dark coat, and he was slim and tall. Billy Louise made a sound that was close to a groan and set her teeth hard together afterwards. She reached the hillside just above the corral. There were cattle down there, moving uneasily about in the shadows. Of the horseman there was of course no sign; just the corral, and a few restless cattle shut inside, and on the hilltops a soft, rose-violet glow, and in the sky beyond a blend of purple and deep crimson to show where the sun had been. Close beside her as she stood looking down a little, gray bird twittered wistfully.