"Doctor Therne" by H. Rider Haggard is a novel written during the late 19th century. The story revolves around the life of Dr. James Therne, a medical practitioner who becomes embroiled in a moral and professional crisis that stems from the societal tensions surrounding vaccination and public health. As the narrative unfolds, Therne confronts issues of guilt, responsibility, and the consequences of his actions in a world grappling with disease outbreaks. The opening of the novel introduces Dr. Therne in a reflective mood, recounting his past and the significant events that have shaped his life. He grapples with the aftermath of a smallpox epidemic in his hometown of Dunchester, for which he feels partially responsible due to his staunch advocacy for vaccination. As he carries the weight of loss and guilt—particularly concerning his daughter Jane—he embarks on a journey that leads him to Mexico, where he encounters danger and drama on a diligence ride plagued by brigands. This perilous beginning sets the stage for his complicated life, foreshadowing the dilemmas he will face as well as the moral conflicts that will arise from his profession and personal choices. (This is an automatically generated summary.)