Valeria Woodville discovers a dark secret regarding her husband's past shortly after their wedding, prompting her to launch an investigation to clear his name. Driven by a commitment to her spouse and a refusal to accept the social stigma surrounding his history, Valeria navigates the rigid constraints of Victorian law and societal expectations. She faces opposition from family members who wish to keep the past buried and from a legal system that offers little recourse for a woman in her position. The narrative unfolds through a series of revelations that challenge the stability of her marriage and force her to adopt the role of an amateur investigator in a world governed by hidden motives.

Discussion often centers on the novel's status as a precursor to the modern detective genre, particularly regarding the agency of its female lead. Readers frequently highlight the shift in tone from domestic drama to a more unsettling, Gothic-infused mystery as the plot progresses. Critics often note that while the pacing may feel deliberate by contemporary standards, the intricate layering of secrets provides a compelling look at Victorian-era legal anxieties. The work is widely recognized for its departure from the traditional detective tropes established in the author's earlier, more famous works.