The film explores the connection between a large dam project in Galicia and the careful construction of a traditional church. Through interwoven visuals, it examines the contrast between modern progress and historical preservation. The movie shows both the impressive scale of the dam's construction and its effect on the landscape, alongside the detailed craftsmanship of the church as a symbol of cultural heritage. This pairing prompts reflection on humanity’s role with nature and history, and the long-term consequences of advancement.