"But why didn't you go to your uncle and get him to help you?" asked Ned.

"I didn't think of it until too late," Frank replied. "The day I found out that James Roscoe was my father I went home to tell my uncle all about it and to ask his help. When I got there I heard someone talking to him. I listened and I found out they were conversing about my father. From what they said I knew he was still in a sanitarium, and when I heard my uncle agree with the man that he had better stay there I knew my uncle was in league with the plotters."

"Are you sure of that?" asked Bart. "Mr. Dent doesn't seem like that kind of a man."

"I am sure enough," replied Frank bitterly. "Well, I followed the man until he heard me after him, and told me to go back. Then I went to my uncle's house. I said nothing of my suspicions, but I resolved to find out all I could. Finally I found the man who had been talking to my uncle."

"Who was it?" asked Fenn.

"Hardman, the man you took to the woods. He is Dr. Hardman, in charge of the sanitarium where my father is held a prisoner."

"Are you sure of this?" asked Ned.

"Positive. I have not finished yet. When I saw Dr. Hardman in the woods that day you were with him, and noted that he ran away from me, I thought I was on the right track. He recognized me, it seems, and that's why he ran. Then I made inquiries and I learned there was an asylum, a new one, somewhere in this direction. Few persons have heard anything about it, as, though it is a legal institution, the proprietor does not want too much known about it.

"When we came camping here I decided to keep on trying to solve the mystery. I wanted to see my father and have a talk with him. I ran away from you, as you know, and I saw the patients at the sanitarium taking exercise. I recognized my father as one, for, though I had never seen him since I had grown up, I knew it was him from the picture the lawyers sent. He had not changed much, except that he was older. It appears he escaped from the cannibals and came to this country. But a fever had slightly affected his head, and he went to a sanitarium for treatment. There he got under the control of some evil men, who used him for their own ends. I do not yet understand it all, save there is some property involved. But I am going to solve the secret. I know where my father is, and the rest is comparatively easy."

Frank told how he had had several interviews with his father, who, after some difficulty, recognized his son. The two had planned the escape from the asylum.