During restoration work after the devastating 2019 fire at Notre Dame de Paris, two lead sarcophaguses were discovered under the cathedral's stone floor. Who is buried in the anonymous sarcophaguses? And what secrets will these lead caskets reveal? Follow a team of archaeologists and historians as they attempt to solve centuries-old mysteries using the latest scientific investigation techniques. What can DNA and chemical analysis of the remains reveal about the history of Notre Dame and those who devoted their lives to it?

Explore the science behind the headlines in PBS’ premier science series. With compelling stories and spectacular visuals, NOVA programs demystify science and technology for viewers of all ages and spotlight people involved in scientific pursuits.