An engineer and his wife move to Zenica where the construction of the first plants is taking place, during highly progressive industrialization of the country. Her dreams are not in accordance with the reality, which makes their marriage impossible to function.
Roma, Stach and Chudy work illegally in the grounds of a declining steelworks. Roma is in the throes of a burning romance and decides to leave the job, seeing his new feelings as an excuse for changing his life. His friends aim to dissuade him. After a long day ay work, they visit his significant other and one of the many versions of the tale of Cain and Abel unfolds.
