Witek runs after the train. There are three variants of his fate and three different sto¬ries depending on whether or not he catches the train. Variant one:. he catches the train and meets an old communist who encourages h/m to become a Party activist. Variant two: he bumps into a railway guard, faces trial and has to do community work. While working he meets people involved in political opposition movement. Variant three: Witek misses the train, meets a girl from his studies and, influenced by her, returns to university. They got married. Witek leads a peaceful life, devoted to academic career, with no political involvement. His life comes to an abrupt end when the plane in which he travels to lecture in Libya explodes.