"Avenger" by E Phillips Oppenheim is a riveting tale that explores themes of trust, deception, and the complexities of human relationships. When bachelor Herbert Wrayson encounters a mysterious young woman rifling through his desk, he unwittingly becomes embroiled in a murder investigation that questions the very nature of love and innocence. As he learns that the woman is the estranged daughter of a club acquaintance, retired Colonel Fitzmaurice, Wrayson finds himself torn between his growing affection for her and the unsettling possibility that she may be involved in a heinous crime. This classic whodunit intricately weaves a web of intrigue, compelling readers to ponder the age-old question of whether appearances can be trusted. With its suspenseful narrative and unexpected twists, "Avenger" remains an enduring exploration of the human psyche, making it a timeless listen for those captivated by the darker sides of love and morality.