The Nightmare Ends — Frances Cowen

Eileen Donnelly awoke after the terrible train wreck to find herself in the home of Sir Henry Welwyn, unable to understand why he insisted she remain his closely guarded unwilling guest, when she called her best friend in London, a voice on the phone told her that she, Eileen Donnelly, had been killed in an accident.

Driven by terror, Eileen desperately tried to reach her fiance--only to discover it was he who had identified the body supposedly her own...