The Boy Who Could Keep A Secret

Once upon a time there were a poor widow with a son. One day a son played in the garden and found a sword with scabbard. He leaved that place and sworn himself that he wouldn't tell about it to anyone. His mother felt that her son was hiding something. She asked him, but the boy kept a silence. She hit him and cried at him, but all her attempts to hear something were failed. At the same time some rumors came to the king of a country. He tried to find out his secret, but the boy kept silence... What happened next? Read the story to know!