A nurse apprentice, who had a bad day at work, meets a computer programmer at a car garage. The man is urged to go somewhere, but his car is not ready yet, so the nurse offers him a ride. Before leaving the man, they pick up the nurse's baby nephew. Once on the street, they almost run over a young man. Not knowing if he is hurt, they pick up the man too. But the worst luck begins when the car brakes break down