"If you were in the hospital service, did you ever meet a doctor named Mackey?" questioned Marion, with increased interest. At this question the brow of the wounded soldier darkened, and he shifted uneasily upon his couch. "Yes, I know Dr. Mackey well," he said, at last. "You do!" cried the girl. "And what do you know of him? I would like to know very much." "Is he your friend?" asked George Walden cautiously. "No, I cannot say that he is." "Because, if he is your friend, I would rather not say anything further, Miss Ruthven. I do not wish to hurt your feelings." "Which means that what you have to say would be of no credit to Dr. Mackey?" "Exactly." "I would like to know all about him. I will tell you why. You have noticed Jack, my brother?" "The lad who helped move me yesterday?" "Yes." "Of course--a fine young fellow." "He is not my real brother. My parents adopted him about ten years ago." "Indeed." "Some time ago Dr. Mackey turned up here and claimed Jack as his son." "Impossible! Why, Dr. Mackey is a bachelor!" "You are sure of this? He says he was married to Jack's mother, who was shipwrecked on our shore, and who died at this house a few days later." "I have heard Dr. Mackey declare several times that he was heart-free, that he had never cared for any woman, and consequently had never married." At this declaration Marion's face lit up. "I knew it! I knew it!" she cried. "I must tell mamma and Jack at once!" "Dr. Mackey is a fraud," went on the wounded soldier. "To the best of my knowledge, he comes from Philadelphia, where he used to run a mail-order medical bureau of some sort--something which the Post-office Department stopped as a swindle." "My cousin thought he came from Philadelphia," said Marion. "But wait until I call my mother and Jack." Marion ran off without delay, but failed to find either Mrs. Ruthven or our hero, both having gone to town to purchase something at Mr. Blackwood's store. "Da will be back afore supper time, Miss Marion," said one of the servants, and with this she had to be content. "My folks have gone away," she said to George Walden. "As soon as they come back I will bring them to you. I hope you can prove your words." "I am sure I can prove them," answered the wounded soldier. "Jack does not like this Dr. Mackey in the least, and the idea of being compelled to recognize the man as his father is very repulsive to him." "I don't blame the boy. For myself, I hate the doctor--he is so rough to the wounded placed in his care. He treated one of my chums worse than a dog, and I came pretty close to having it out with him in consequence." "He doesn't look like a very tender-hearted man." "He doesn't know what tenderness is, Miss Ruthven. I would pity your brother if he had to place himself under Dr. Mackey's care." "We won't give Jack up unless the courts make us. My mother is firm on that point." "But why does he want the boy?" "That is the mystery--if Jack is not really his son."