Panos, who drives his truck on long hauls, belongs to the travelers of the night. In pursuit of his freedom he enjoys the benefits he reaps along the way. But there is someone in society who answers to the name of Captain and who is fed up with the state of life today. He decides to have himself imprisoned, as a sort of volunteer lifer, because he believes that life is better inside than it is on the outside. When the two of them meet in prison, they attempt to solve their philosophical differences and transform the cell they share into a ring.