Waste is the nuclear industry's Achilles heel - and its worst nightmare. Populations are afraid of it and scientists still have not found a satisfactory way of dealing with it. Meanwhile, the heads of the industry try to reassure us and politicians avoid the issue. What exactly do we know about nuclear waste? How can citizens get a clear picture of a subject which has always been shrouded in secrecy? Our aim is to provide a worldwide overview of the subject of nuclear waste. Filming takes place in France, Germany, Russia and the USA.