Throughout history, some of the world's most amazing works of art have simply disappeared.
Through re-enactment, rare archive, and expert comment we see how these treasures were looted, stolen or vanished into the archives. Some have been recovered but many more are still waiting to be found. The series continues to investigate how certain works of art were looted or stolen, including the theft of the Mona Lisa in 1911.
Other cases explored include the vast array of artwork stolen by the Nazis, all of which were intended to be placed in a museum which Adolf Hitler planned to have constructed.