In Part 1, hosts Mark Taylor and Steve Sprankle explore the first sermon of Billy Graham's 1957 New York Crusade. The first of many gatherings at Madison Square Gardens featured the themes of global crisis, moral uncertainty, and the call to repentance, emphasizing the need for individuals to choose whom they will serve. The conversation highlights the significance of transformation of a great city through faith in Jesus and the urgency of making a decision to follow God.