The story begins with the death of James Hamilton who was a widower,a rich old man and had no children.Hamilton Hall the name of a big stone house owned by James Hamilton and many generations of Hamiltons lived and died there.
Now after Jame's death,this house and money would go to the person who could solve the mystery of Hamilton Hall. Three relatives and one family friend were the four competitors who had a puzzle to solve:what and where was the treasure of Hamilton Hall?They had seven days to find out and the person who would solve the puzzle would get the house and the money.
All of them stayed at Hamilton Hall with Griff,the butler who looked after them.They were two women and two men.The two men died in their effort to find out the answer to what and where was the treasure and Griff was charged with the murder of those two men,so he went to prison.
Thus,the two women remained to solve the mystery.One of them succeeded in getting there but with the help of a man who was the doctor of Mr Hamilton in his last illness.The doctor fell in love with the woman and was very happy with the result of this story and the woman too.So they inherited the house and money and they could live there happily!