The book of Tobit is a story from the Bible that tells the tale of a righteous man named Tobit, who lives in Nineveh. After becoming blind, he prays for death, feeling hopeless. Meanwhile, his son Tobias is sent on a journey to retrieve money that Tobit had deposited in a distant land. On his journey, Tobias meets the angel Raphael, who guides him and helps him find a wife named Sarah. She has faced many hardships, but with Raphael's help, they overcome their challenges. The story highlights themes of faith, family, and divine intervention, ultimately leading to Tobit's healing and joy.