The purpose of this paper is to investigate All My Sons as a social play. Miller wants to write social tragedies in which the average man in the street becomes the tragic protagonist. He argues that tragic heroes are defined by their willingness to sacrifice everything in order to maintain their personal dignity-regardless of their status in society. Miller never sees milieu as destiny, though he is interested in the idea of stage as an environment because he is always concerned with the way the outside world shapes the individual. In his social tragedies, some of his more specific concerns would be the importance of the past, the issues regarding responsibility and connection, the nature of families, the damage caused by capitalism and materialism, and the law. Importantly, Miller also tries to describe the heroes who take on both individual and social responsibility, trying to make the world a better place. His tragedies, on a general level, create a better society by exploring the demands of morality, and uncovering individual and social needs. He lays emphasis on the harmonious relationship between individual and society. In All My Sons, Joe Keller is a man among men, a small factory owner, finally forced to his legal and moral crimes during World War II which resulted in the death of twenty-one pilots. His desire to pass his business on to his sons is rooted in love. This desire to bond with his son frees him from moral responsibility and allows him to commit crimes. He has violated a sacred bond of responsibility between himself and the society. Keller shipped faulty parts to the Army Air Forces. His actions are so terrible that one of his sons kills himself, and the other firmly rejects his system of thought and values. Keller is also shown to have felt guilty forhis antisocial crime, having taken his own life. But in doing so, he recognizes the responsibility to others which he has until now ignored. Chris, despite his new-found socialism, is still a product of the more traditional generation, and is reluctant to throw away his old value from his father``s world. While he dislikes his father``s capitalism, he still loves his father, and he is confused as to what he should do. He refuses to face the truth about his father. His realization comes too late. Just after his father``s death, he recognizes the relatedness of mankind which is at the heart of the play. Miller insists that we have social responsibilities and justices beyond the immediate family.