Arthur Miller's *All My Sons* presents the father-son relationship as a central theme through the interactions between Joe Keller and his sons, Chris Keller and the absent Larry Keller. The play explores love, responsibility, morality, guilt, and the conflict between personal interests and social obligations. Miller uses these relationships to expose the consequences of unethical actions and the moral responsibilities that bind family members together. Joe Keller is portrayed as a devoted father who believes that all his actions are justified if they ensure the welfare and prosperity of his family. His decision to ship cracked cylinder heads during World War II, resulting in the deaths of twenty-one pilots, was motivated by his desire to save his business and secure his family's future. Joe repeatedly insists that he acted for his sons, believing that a father's primary duty is to provide financial security. In his understanding, family loyalty stands above all other responsibilities. However, Miller challenges this narrow perception by demonstrating that true fatherhood involves