"The Blood of Others" is a novel by French author Sartre that explores themes of existentialism and moral responsibility during World War II. The story follows the lives of two characters, Hélène and Boris, as they navigate love, sacrifice, and the impact of war on their choices and relationships. Set against the backdrop of Nazi-occupied France, the narrative delves into the complexities of human emotions and the consequences of inaction. Through their struggles, the novel raises questions about the nature of freedom, guilt, and the ethical dilemmas faced in times of crisis.