The discovery of a woman's body on the English coast initiates a complex investigation that forces Inspector Alan Grant to navigate a web of conflicting evidence. Grant must identify the perpetrator while managing a surplus of potential motives and suspects that complicate the standard investigative process. The narrative follows a traditional procedural framework, emphasizing the logical deduction required to filter through misleading clues. The setting provides a specific atmospheric backdrop that influences the pace and the isolation of the suspects involved.

Readers and critics frequently note the author's ability to construct a dense, logical puzzle that avoids common genre tropes. Discussion often centers on the meticulous nature of Inspector Grant's investigative process and the way the environment shapes the suspects' behaviors. Many highlight the sharp, observant prose that characterizes the era of the writing. The balance between character study and the mechanics of the crime is often cited as a primary strength of the work. Readers looking for a methodical, character-driven mystery will find the pacing aligns with traditional detective fiction standards.