In "A Life Sentence," Sergeant likely explores themes of love, duty, and societal expectations, as suggested by its title. The novel may center around the life of its protagonist, who may find themselves trapped in a situation or relationship that feels like a metaphorical "life sentence."Adeline Sergeant's writing is characterized by its exploration of the human condition and its keen insights into the complexities of human relationships. Her novels often feature strong, independent female characters who must navigate the challenges of their time while remaining true to themselves.