Watch The Great Ephemeral Skin for Free: How to Stream the Movie Online at 123Movies. . Inside the claustrophobic scenery of a fancy apartment in the city of Frankfurt three men and a woman lock themselves in for ten days. Oskar and Julia are a couple. They have sex and let themselves be filmed. Benjamin and Bastian are behind the camera, trying to get pictures of absolute intimacy. Closeness as it can only be found among lovers.