A young coal miner struggles between inherited, demanding labor and a private imagination of larger achievements. During a workday he anticipates and takes a walk with his girlfriend, reflecting on the claustrophobic routine of the shaft, the silence that fuels his dreams, and the contrast of open countryside. He reads about industry and invention and confides these ambitions to the woman who encourages him. The narrative contrasts physical toil and limited prospects with youthful aspiration, exploring longing, domestic ties, and the desire to translate private dreams into public success.