This educational video explores the profound cultural and economic shifts that occurred in Western society following World War I, specifically focusing on the transition into the "Roaring Twenties." It connects the technological innovations and propaganda techniques developed during the war to the rise of modern consumer culture, mass marketing, and changing social norms. The narrator explains how wartime advancements in infrastructure, such as electricity and transportation, laid the groundwork for a boom in consumer goods, while psychological tactics used to sell the war were repurposed by figures like Edward Bernays to sell products.