A parlor game involving a séance at a snowbound house takes a dark turn when the spirits predict a murder that is soon discovered to be a reality. The protagonist, Emily Trefusis, must navigate a web of suspicion and local secrets to clear her fiancé's name after he is arrested for the crime. She faces the physical isolation of a winter storm and the logical challenge of untangling a series of deceptive testimonies from the house's guests. The narrative follows a traditional third-person perspective, focusing on the investigation as it shifts between the isolated house and the surrounding village.

This novel is widely regarded as a distinct entry in the author's bibliography due to its atmospheric focus on isolation and the occult. Readers often note the effective use of the snowbound setting to create a claustrophobic environment that heightens the mystery. The narrative structure is frequently praised for its ability to balance the supernatural premise with a grounded, logical investigation. It remains a staple for those interested in the evolution of the classic whodunit format.