The book delves into the intricate relationship between faith and reason in the Catholic intellectual tradition of the 20th century. It highlights the Thomist revival, emphasizing the integration of faith and reason, as exemplified by figures like Thomas Aquinas and Jacques Maritain. The book also examines the impact of the Second Vatican Council, which brought about a shift in theological approaches, including the rise of new theological movements and the integration of modern philosophical methods. It discusses the challenges faced by Catholic thinkers in reconciling faith with modern skepticism and relativism, and showcases the contributions of various philosophers, theologians, and literary figures who navigated this complex interplay. The book ultimately argues for the necessity of both faith and reason in understanding and defending Catholic truths, emphasizing the importance of a balanced approach that respects the autonomy of reason while grounded in the truths of faith.