Bluebeard or blue beard
Bluebeard or blue beard is a very famous fairy tale from France. But the story is terrible because it is full of sadistic images. The story of a king who has a beautiful wife. The king frees his wife to do things, except to enter a locked room.
One day, the wife was very bored at the same time curious about the contents of the room is always locked. Initially, he thought it was his husband's treasure.