One in a series of twelve films in which the great French mime Marcel Marceau performs some works from his repertoire. In his introduction he describes this pantomime as having a theme that goes beyond time, an allegory showing a man trying to escape an enclosure of invisible walls. He also suggests that it stands for our freedom of choice, stating that for the limited span of our life on earth, we must struggle for the enlightenment of humanity and search for a way out of the cage