A traditional folk-dancing ritual turns lethal when a mock execution at the Winter Solstice becomes a genuine murder. Superintendent Roderick Alleyn arrives at the village of Mardian to investigate the death, navigating a web of local tensions and clashing personalities. The narrative follows the classic procedural framework, focusing on Alleyn's methodical interrogation of the villagers and the visiting enthusiasts. He must isolate the truth from a group of suspects who are already embroiled in interpersonal conflicts and deep-seated resentment.

This work is widely regarded as a quintessential example of the Golden Age detective style, showcasing the author's ability to blend cultural tradition with dark, suspenseful plotting. Readers often note the effectiveness of the isolated village setting, which heightens the tension surrounding the central murder. The characterization of Superintendent Alleyn remains a highlight for fans of the series, as his calm, analytical approach provides a steady anchor amidst the chaotic local dynamics. The narrative structure is frequently praised for its pacing, which balances the slow build of village secrets with the sudden, shocking violence of the crime itself.