As the last ice age receded, the landscape of Ireland was transformed, creating a new environment that would eventually be settled by early humans. This documentary explores the history of these first inhabitants, their struggle to survive in a harsh and changing world, and the eventual rise of a sophisticated society. Through a blend of historical research and stunning visuals, the film paints a vivid picture of a forgotten era, revealing the resilience and ingenuity of the people who first called Ireland home.