Set in the mid-nineteenth century, The Nebuly Coat is the story of a young architect, Edward Westray, who is sent to the remote Dorset town of Cullerne to oversee restoration work on crumbling Cullerne Minster. As he becomes caught up in the lives of the townspeople, he hears rumours about a disputed claim to the title of Lord Blandamer, whose coat of arms in the Minster's great transept window is the 'nebuly coat' of the title. When the new Lord Blandamer arrives, promising to pay all the costs of the restoration, Westray's suspicions are aroused. Plagued by fears and premonitions of the imminent collapse of the Minster tower, and shaken by the sudden violent death of Sharnall, the organist, Westray is drawn ever deeper into danger as the secrets behind the 'sea-green and silver' nebuly coat unravel...