This story is based on the life of King Bruce of Scotland. He is defeated by his enemy six times, and yet he is able to win during the seventh attempt. How was he able to do it? He was inspired by a spider that he saw in the cave. The moral of this story is: try and try till you succeed.
The Hindi version of this story is available as Raja Burush Aur Makdi. at
http://www.gaatha.co/brush