 Viktor and Angelika are a straight couple. He is a professor of veterinary science and she has studied arts history. Both are more interested in their hobbies and professions than into each other. Additionally Viktor is not really interested in satisfying his wife anymore. Their in a way upright relationship changes dramatically when Viktor gets to know Lotte, a fomer school friend of Angelika. Back in school Lotte would have done everything for Angelika...