Set in an eccentric community of expatriates living in Crete in 1975, Cast in Doubt is the story of Horace, an American gay man who writes mystery novels, and Helen, a secretive young woman he befriends. When Helen suddenly disappears, Horace's obsessive quest to find her reveals the nature of mystery and the uncertainties of his life. Tillman is the author of two critically acclaimed novels, Motion Sickness and Haunted Houses.