An American veteran of the French and Indian Wars is now a successful merchant with a younger sister to launch. However, this is a cover for his true purpose: to question the few other survivors of a massacre which he suspects was caused by a traitor in their midst. He asks a widow who is informally engaged to a fellow survivor to chaperone his sister and they gradually become involved. The book surrealistic descriptions of how PTSD affects the traumatized and how it may affect each person differently. Well written and moving.