He may be talking about the underrated Swastika Nights. A new world, after memory of the old one has been erased is part of the plot, as is a secret manuscript.

That said, stories and plots have been retold ever since the beginning of literature. Here's a lovely article about various versions of the well-known story about the Baalshem being asked to intercede for a sick child: https://brill.com/view/journals/jjtp/22/2/article-p127_2.xml