We all grew up with the Pied Piper of Hamelin: a town overrun by rats, a mysterious musician who lures them away, and a town that refuses to pay, so he steals their children. But what if the disappearance of 130 children actually happened, and the rats were added centuries later to cover up a darker truth?

This episode separates the fairy tale from the documented history of Hamelin, Germany. It's a striking look at how a community processes unimaginable trauma, transforming real grief into myth, and how medieval records prove an entire generation of youth vanished from the town in 1284.

• Why the rats don't appear in any account until around 1559, nearly three centuries after the children vanished
• The physical evidence: a stained glass window from around 1300 and a chronicle entry reading 'it is 100 years since our children ...