The narrative imagines a prehistoric version of a familiar London neighborhood as a bright green hill where a tiny community lives amid streams and forests. A column of smoke heralds a threat, and a wanderer brings tales of massive beasts—mastodons, winged creatures, and a fire-breathing dragon—introducing myth and alarm into the homelanders' simple rhythms. Through witty, descriptive passages the account sketches daily life, local gods, and communal beliefs, then follows how the dragon's presence disrupts complacency, prompting reflections on storytelling, courage, and how fable reshapes a small society's understanding of the world.