A mother and daughter find their relationship fractured by the mother's attempt to find personal happiness in a new marriage. Sarah, a widow, hopes to marry Richard, but her daughter, Barbara, views the union as a betrayal of her father's memory. The narrative explores the psychological friction between maternal duty and individual desire, as Barbara’s manipulative behavior forces Sarah to choose between her own future and her daughter's approval. The story unfolds through a character-driven lens, emphasizing the claustrophobic nature of their domestic conflict.

This work is often noted for its departure from the author's famous detective fiction, showcasing a deeper interest in human psychology and domestic strife. Readers frequently observe that the book provides a sharp, unsentimental look at the possessive nature of familial love. The narrative is characterized by its ability to maintain tension without the presence of a crime, relying instead on the subtle cruelty of its characters. It remains a significant example of the author's versatility, highlighting her keen observation of social nuances and interpersonal power dynamics.