After being tried for murder and acquitted due to the intervention of Lord Peter Wimsy, Harriet Vane needs to get away from everything. She sets out on a walking tour of the west country, and starts working on a new novel. In her travels, she stumbles across a corpse, and reports it as a good citizen, and finds herself as suspect #1 again. Much to her chagrin, she again needs the help of Lord Peter Wimsy who rushes to her aid, and the two work together to solve the mystery. In the course of solving the mystery, they also figure out how to create a friendship.