A large train station, it might be anywhere in a big city. Waiting passengers, some are curiously observing each other, some are too much involved with their own petty problems to pay attention to anything else. Our man, self- assured, practically undresses some of the woman present with his eyes, at least as long as his wife is absent, trying to get them some coffee. A beauty in blue returns his challenging looks, he can hardly believe it's true. Obviously, it is his lucky day today. By the time his wife returns our man has experienced some astonishing things under the watchful eyes of the fellow passengers. And most probably he will be much more reserved next time he sees a beautiful blonde.

Maria, a provincial Polish girl, travels to Milan to pay her older sister Eva a surprise visit. The sisters haven't seen each other in seven years and Eva has changed a lot. She lives in a luxurious apartment and dresses in designer clothes. Although she pretends to be an interpreter, Eva is actually a call-girl and, one night, fails to return from an appointment. Maria enquires at the hotel where Eva last worked. Eva's body is soon found. The investigation is conducted by Inspector Messina, a trendy cop. Maria and Messina become an inseparable investigating team. Maria poses as a call-girl in order to reveal her sister's killer and they use mobile phones to keep in touch.

The film takes place in a small cafe on the forecourt. When Gerard, one of the regular visitors, appears in the cafe to inform him that he is leaving, the usual course of the cafe's life suddenly breaks.