In a strange land where everything is flat and feelings have vanished, a curious trio armed with a vinyl record and a mirror ball attempt to recapture sensory emotions.

In a film consisting entirely of fictitious found-footage, we discover how a young activist, Ulysse, provokes a nationwide cataclysm by stealing a micro-organism developed by a state laboratory: the "mycelium". This microorganism has the ability to degrade all metals and their components, and its spread would risk taking the whole of civilization back to the Stone Age.