At some point of your life when you are in danger and going from hard time, these good comes in a shape of help from you God and your hard time go away and everything settle back to normal. It happen out of no where.
This is same happen with your bad deeds. If you have done bad deeds and hurted someone. they will comes back to you and haunt you all your life, untill or unless you ask your Allah for forgiveness. if you have hurted a human, you will not be forgiven untill or unless your are forgiven by that very person.
This is the Rule of ALLAH, one day we all will die and we will be answerable for the deeds we are doing in this world at the day of Judgment.
This is what happens in this story of the 2nd Shiekh, he helped that poor women and married her because of the kindness he has in his heart. He made her his wife and buy her new clothes and started living a happy life with her as he also fell in love with her.
But when his brothers got jealous because of his wealth and threw both of them in the sea. His good deeds comes back and helped him in the form of his wife and after saving life of his husband, she asked him to punished his brother, but as he was a man of good heart, he refused it and stopped her to do any harm to his brother, after all they all were brothers.
But she somehow punished them and make them dog, And now he his going to his sister in law to request her to forgive his brothers. with the help of story shikhs now own the half part of merchant.
with the help of 3rd shaikh story , they now own the 3 part of merchant blood and by telling a 2nd tale from the 3rd shikh they can easily get possession of the merchant and he will be saved.