The book unfolds by first introducing the historical context and biographies of the three visionaries: Lúcia Santos, Jacinta Marto, and Francisco Marto. It then delves into the three secrets revealed to the children, analyzing their interpretations and impact. Finally, it assesses Fatima's legacy in the 21st century, addressing controversies and exploring its practical implications for contemporary believers. It presents information from Church documents, eyewitness accounts, and scholarly analyses, aiming to provide a balanced understanding of the Fatima phenomenon.