This historical non-fiction work examines the activities of the Italian Resistance in Rome during the Nazi occupation (1943–1944). Written by Renato Perrone Capano, the book documents clandestine networks, partisan actions, and the broader socio-political context. Drawing on testimonies, documents, and firsthand accounts, the study offers a chronological and thematic structure, highlighting the roles of individuals and groups involved. It contributes to the historiography of the Italian Resistance, with a specific focus on urban guerrilla warfare, civil opposition, and moral resilience under fascist and Nazi control.