Mourning his boyfriend Frédéric's death from an overdose, the French filmmaker David Teboul goes to Siberia on a ritual journey. Out here, under the enormous dome of the skies, he finds the free space to disentangle his thoughts again. And in the villages, both young and old people unexpectedly turn out to be prepared to respond to his invitation to talk about an event that changed their lives. Life, death, love and existence.

• Documentary