'Our world is in order, a world in which there are unchangable truths that are valid to everybody.' Or maybe not? Maybe one starts to shiver at the thought that it could also be quite different. Can you feel the terryfing feeling of living in the wrong film? Maybe it is true... and one little question, an experience, or a simple bang can unmask the whole fraud, and make clear that the world is a gigantic theatrical play, a consoling illusion: do we all " already for a very long time " live in a grandiose forgery?