Dorin is a 50-year-old railway worker, seemingly cheerful and sociable. But within the intimacy of his gloomy apartment, he lives a terrible loneliness that he tries to make up for by watching funny shows on television. When it breaks down, he tries to repair it and overhears a couple's argument in the apartment next door. Driven by a growing fascination for the woman's voice, he starts to share, by proxy, her everyday life, till the day he'll walk through her door...