Watch The Pied Piper of Hamelin Full Movie Free Online 123Movies. According to the tale found in the ancient annals, the little town of Hamelin, in Hanover, found itself, five hundred years ago overrun with rats. The citizens tried every way to abate the plague, but without result. Finally a mysterious stranger appeared in the town and offered for the sum of 1000 guilders to clear the place of vermin.