Outside the gates of the psychiatric hospital was 40-years-male with the development of 10-year-old child nicknamed Baby. In his pocket he had a ticket on the train, in the hands of the suitcase. But he can't get far. At the station when boarding the train, he immediately gets into trouble and loses his suitcase. At the same time he still gets from the police. Two teenagers, a brother and sister — kit and Alenka, left without a home and without parents, living in an old abandoned railway car, let him spend the night. The kid is sincerely attached to them and begins to take an active part in their hard free homeless life.