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Becoming a father is an extraordinary adventure in a man's life, but it is also a real physiological metamorphosis that science is only just beginning to reveal. Researchers from multiple disciplines are lifting the veil on these changes taking place in men who are in contact with young children, and their discoveries are astonishing. By tracing the thread of evolution, the film reveals that these deep, long-ignored bonds between men and children are very ancient. And that they are just waiting for the right context to fully express themselves.

Near the cold Pyrenees of Iberia, surrounded by ancient and dark green forests, lies a strange land where the rain is scarce and the wind is always blowing. The soil is poor, there are no trees and the landscape resembles the moon. Is this what the future of desertification will look like? Incredible creatures with surprising behavior live in this strange landscape. The documentary explores a place with very dry skin but a wet hidden heart where even waterfowl or amphibians can live. Living in such conditions is not easy and only the toughest animals will survive.