In "The Fifth Woman" by Henning Mankell, the character Wallander grapples with the moral complexities of his role as a police inspector. His sense of duty and ethical dilemmas lead him to a point where he questions his actions and their implications, feeling disturbed by the possibility of misconduct. This internal struggle reflects the pressures and responsibilities faced by those in law enforcement, revealing the human side of a character often portrayed as a steadfast figure.

Wallander's sense of being on the verge of wrongdoing adds depth to his character, showcasing the challenges of navigating justice in an imperfect world. Mankell vividly illustrates how a detective's pursuit of truth can blur the lines between right and wrong, forcing Wallander to confront his own values and the societal issues he encounters. This tension not only drives the narrative but also invites readers to reflect on the nature of morality in law enforcement.