A 5 year old girl becomes friends with an elderly neighbor. Their mutual friendship is so beautiful to both of them based on kindness. The older gentleman was depressed because his wife was ill and in a nursing home. The little girls friendship gave him a new purpose to live.He went to her school events and they would share meals together with her family.. The little girl noticed an old key at his house one day while visiting with her mother and father. She asked the older man what it was and he said it was a special key to a treasure in a secret castle. He said he had been spending his whole life looking for the castle and has traveled the world.