Frieder and his wife Nina, a doctor, are fixing up their house, though their relationship is obviously strained. Instead of picking up their young daughter Charlotte, Nina drives off to visit her brother Christoph in an isolated cabin. From there, she cycles to a sports hotel in the woods where she stays. Aimlessly wandering around the hotel, she has a brief encounter with an old tennis pro who has been giving demonstrations. Her brother, Frieder, and Charlotte find her, but she does not come home with them. After all the old windows have been removed, Frieder rejects the replacement ones that are delivered. Frieder has a liaison an old girlfriend Maria, who is now Charlottes nursery school teacher. Nina returns to the house without windows.