In Caste, Isabel Wilkerson examines the unspoken caste system that has shaped societies, particularly in the United States, India, and Nazi Germany. Through powerful storytelling and meticulous research, Wilkerson reveals how rigid social hierarchies perpetuate inequality and injustice. This episode explores her insights into the hidden structures of caste, their impact on human lives, and the pathways to dismantling systemic divisions, offering a transformative understanding of social order and its consequences.