The conclusion of the amazing story of Joseph

The drought had stripped Canaan bare of crops, yet Egypt had vast storehouses of food. Jacob knew that unless he acted soon, his family would starve.
He sent ten of his sons to Pharaoh to buy provisions.

They never imagined that there they would find not only food, but the brother they had long ago betrayed and given up for dead. Joseph's power under Pharaoh would allow him to punish his brothers. Will he reveal his true identity and allow mercy and forgiveness to prevail?