The novel tells the story of Mendel Singer, a humble and devout Jewish man living in a small Russian village in the early 20th century. As a teacher of the Torah, Mendel leads a life marked by faith and simplicity, but his world is turned upside down by a series of personal tragedies that test his belief in God. His son is born with a disability, another son is conscripted into the Russian army, and his daughter elopes with a Cossack. Seeking a better life, Mendel and his family immigrate to America, where he faces further hardships and loss. Throughout his journey, Mendel grapples with despair and doubt, ultimately finding a renewed sense of faith and understanding in the face of suffering.