A mother with the powerful weapon of logic wants at all costs to classify her untamed son in the rhythms of modern life, believing thus that this will ensure him the future and she will finally save him. The son however, is a strange child refusing to be adjusted in the society because he believes that he can escape from the program of self-sacrifice that our age has prepared with so much care for the young persons. The son does not study to be admitted in the University but prefers listening to music in a record player. He later gets off with a girl to whom he later gets married. He finally gets admitted in the university and at the same time he becomes a father. The son cannot however settle down and he begins to deal with politics. Afterwards, he is getting tired, he quits the politics and he strikes up a friendship with a lower-class character that later on will start an affair with his wife. The son gets disappointed, takes his degree and he decides to travel. Then, for the first time the vagrant father appears on stage and a dramatic scene follows between the father and the mother. The son returns and he begins the regular and productive life of an 'honest citizen'. In a short time, in spite of his professional success he goes crazy. The play Common sense, according to the writer, is a pure drama.