Darrell was delighted at the story of Kate Underwood's coolness and bravery in saving her father's life, and sent her a note of hearty congratulation, which she kept among her cherished treasures. Since that time, occasional letters were exchanged between them; hers, bright, entertaining sketches of their travels here and there, with comments characteristic of herself regarding places and people; his, permeated with the fresh, exhilarating atmosphere of the mountains, and pervaded by a vigor and virility which roused Kate's admiration, yet led her to wonder if this could be the same lover who had won her childish heart in those idyllic days. Each realized the fact that notwithstanding their love, notwithstanding their stanch comradeship, at present they were little more than strangers. Darrell's love for Kate was a reality, but her personality, so far as he could recall it, was little more than a dream; each letter revealed some unexpected phase of her character; he found their correspondence an unfailing source of pleasure, and was content to await the time of their meeting, confident that he would find the real woman all and more than the ideal which he fondly cherished as his Dream-Love. And to Kate, each letter of Darrell's brought more and more forcibly the conviction that the lover whom she remembered was as a dream compared with the reality she was to meet some day. About six months had elapsed when Darrell received, early one morning, the following telegram from his father, summoning him to Galena: "Come over on first train. Important."