It's the land we love and the land we think we know. We see America's breathtaking landscapes and wildlife as timeless, but the truth is very different. Its unique geography drives the forces of nature to extremes, shaping and reshaping the land and throwing down new challenges for life.
A young woman follows a mysterious melody onto a remote tidal island. When she crosses back over at the next low tide, she emerges into a world where 25 years have passed.