An anti-nuclear parable, the film tells the story of villagers who each year traditionally hold "sap weddings", thus paying homage to the forest. But a nuclear power plant must be built there. The film was presented in competition at the Thonon-les-Bains festival in 1978.

• Atelier 68
• Jean Négroni
• Pierre Tabard
• Catherine Rétoré
• Dominique Lasseur
• Jean Durozier
• Michel Simonian
• Philippe Arthuys