The Broken Silence
"Romance, intrigue and mystery amid the great white wastes. The tale of a land where might is right and terror stalks abroad. A story of the Great Royal Northwest Mounted Police."
A brother and sister living in the Canadian Northwest pose as husband and wife. They are suspects in the murder of a barracks inspector who was responsible for the deaths of their parents. The brother confesses to the crime to protect his sister, who he thinks actually did it--but she didn't. Complications ensue.