This classic Danish fairy tale follows the story of an arrogant emperor who is tricked into believing he is wearing an invisible set of clothes. When he parades through the streets of his kingdom, the people are too afraid to tell him the truth and instead pretend to admire the non-existent garments.
From Wikipedia
"The Emperor's New Clothes" is a literary folktale written by the Danish author Hans Christian Andersen, about a vain emperor who gets exposed before his subjects. The tale has been translated into over 100 languages.