The film begins with a volcanic eruption that stranded the director, Pauline Julier, in a foreign city, among strangers. In turns, these strangers evoke legends about the formation of the continents, the blooming of the tectonic plates or the explosion of ash that provoked summers without sun.
| Actor | Role |
|---|---|
 Bruno LatourSelf | Self |
| PPhilippe DescolaSelf | Self |