The sudden, suspicious death of an unpopular schoolmaster forces a student to investigate the truth behind a coroner's verdict of suicide. Jonathan Meredith finds himself entangled in a web of secrets after his English teacher, Robin, is found drowned in a river near their school. Driven by a deep-seated distrust of the man's character and a growing suspicion regarding the circumstances of his demise, Jonathan begins to piece together clues that contradict the official narrative. The narrative follows a traditional mystery framework, focusing on the protagonist's internal moral conflict and his external search for evidence within the rigid social hierarchy of a school environment.

Readers frequently highlight the author's ability to capture the specific tensions of a school environment while maintaining a steady mystery pace. Discussion often centers on the protagonist's moral development as he navigates the complexities of truth and authority. Critics note that the narrative avoids sensationalism, opting instead for a grounded approach to the investigation. The book is often praised for its realistic portrayal of adolescent skepticism and the subtle ways in which characters hide their true intentions. Many readers appreciate how the story balances the mystery elements with a thoughtful examination of the victim's personality.