
Kate Plus 10
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This book offers a thrilling blend of detective work and criminal masterminding, with a strong female anti-heroine who challenges both the law and traditional gender roles.
Edition details
Book Summary
Inspector Michael Pretherston pursues master criminal Kate Westhanger, who orchestrates a gold train heist while posing as a secretary and a princess. Their cat-and-mouse game blurs lines between law and crime, culminating in betrayal, love, and a deadly confrontation.
Lord Flanborough summons Inspector Michael Pretherston to investigate a missing pearl necklace, where Michael recognizes secretary Kate Westhanger as a former criminal. Kate, the brains behind a gang, orchestrates a gold train heist by posing as Princess Bacheffski to extract sensitive information from Sir Ralph Sapson. Meanwhile, Lady Moya Felton breaks her engagement to Sir Ralph to marry artist Alphonso Blaxton. Michael deduces Kate's scheme and investigates the train's route, discovering a disused branch line used for the theft. The gang holds meetings in Crime Street and an abandoned cement works, debating morality and loyalty. Kate betrays the gang by diverting the gold to Lord Flanborough's estate. When the Colonel defends Kate from Gregori, he is shot dead. Gregori threatens to kill Kate and Michael, but Detective-Sergeant Barr rescues Michael. Kate confesses her love for Michael as the gang escapes. The novel explores crime as an art, class divides, and the tension between law and criminality.
Reading guide
Go deeper in Kate Plus 10
Character guides, themes, chapter companions — plus Character Web, narrative arc, and theme heatmap teasers that unlock fully beside the text in BetterReads.
Narrative arc
Story tension across the book.
- Setup
- Escalation
- Breaking point
- Aftermath
- Closing
Michael Pretherston
Michael moves through drawing rooms and police files with equal ease, his elaborate Baker Street flat and inherited money marking him as no ordinary inspector. He first met Kate Westhanger over a vanished King's messenger's bag, and his estimate of her character has been modified but never shaken. His habit of sympathizing with the very people he hunts is the flaw that gives the investigation its strange, personal heat.
The Girl
She moves through the Flanborough household and beyond with a secretary's notebook and a gaze that misses nothing, her down-turned lips and grey eyes suggesting a sorrow she has not actually lived. Men explain things to her over and over, which is precisely the arrangement she prefers. Her true role in the theft and in Michael's investigation is the quiet engine driving the reader forward.
Sir Ralph Sapson
Sir Ralph prides himself on summing up any man before he opens his mouth, yet he cannot see that the charming woman whose car broke down outside his house was working him from the first. He comes to Michael with two confidences: a business arrangement and the suspicion that his fiancee is carrying on with another man. His vanity and his money make him both a useful pawn and a liability in the case.
Kate Westhanger
Michael first encountered her during a cross-channel case involving a King's messenger's bag, and later when the Muranic's strongroom was forced and twenty-five packets of diamonds vanished at sea. He judged her hastily at first, then revised his estimate without ever changing it. She is the criminal intelligence that gives the investigation its shape, and the personal history that gives it its sting.
Lady Moya Felton
Lady Moya employs a secretary, tolerates her father's condescension, and finds her fiance's attentions more suffocating than flattering. She meets a man in the park to sketch, a fact Sir Ralph reports to Michael with considerable agitation. Her old acquaintance with Michael Pretherston, and her cool, detached admiration of him, make her both a suspect's ally and a complication in the household where the pearls vanished.
Lord Flanborough
George Percy Allington Felton brought two million pounds and a mean temper to a title he was only remotely related to, and he has been insufferable ever since. When eighty-three graduated pearls disappear from his household, he drafts an advertisement and whittles the reward down from two hundred pounds to a vague promise. His parsimony, his suspicion of everyone beneath him, and his uneasy relationship with his daughter make the Flanborough house a hothouse of resentment.
Crime and Morality
The book explores the moral ambiguity of crime, with characters like Kate and Michael debating whether a life of clever theft is superior to dull honesty, and questioning which side is truly 'right'.
Class and Social Status
The narrative contrasts the aristocratic world of Lord Flanborough and his peers with the criminal underworld of Crime Street, highlighting how social standing and respectability can mask corruption.
Love and Romance
Romantic entanglements drive the plot, from Moya's secret affair with an artist to the evolving relationship between Michael and Kate, where love challenges loyalty and criminal identity.
Deception and Disguise
Characters frequently adopt false identities and engage in elaborate schemes, such as Kate posing as a secretary and the 'Princess' tricking Sir Ralph, underscoring the theme of appearances versus reality.