It is a research documentary, at times risky, following the trail of Ettore Majorana, the physicist who disappeared into thin air, and a mysterious quantum machine capable of producing clean, free, endless energy, and much more. For instance, this five-Swiss-franc silver coin turned into pure gold. The device would have been assembled by Rolando Pelizza based on instructions from the physicist, met inside the Abbey of Serra San Bruno in Calabria, where writer Leonardo Sciascia had searched for him in vain. The fact is mentioned in his essay The Disappearance of Majorana. We also went there, received very kindly, but tight-lipped!