A cold night in Berlin. A young woman steps out of the shower, dying for a cigarette. She puts on her coat, leaves the house and runs across the street to the cigarette dispenser. The door falls to, and she realizes she has locked herself out of her flat. Everything goes wrong. The coins get stuck in the dispenser. It starts to rain. Enervated, she turns back, not knowing that she has just set a chain reaction in motion …