Cy Dekker is sitting on the front porch of his house in the woods when the mail truck makes an infrequent stop at his house. He steps down to talk to the mailman and is handed an envelope addressed to Lt. Cy Dekker. When he opens it, he learns that someone has sent him a note telling him that someone has been murdered. But with each murder before, he receives his information through regular channels. When he does nothing about this, he gets a second note and then a third. Eventually, he is told approximately where he can find the body, so, curious, he and his partner in crime-solving Sgt. Lou Murdock, head out to a different section of the woods with shovels. Lou also brings an umbrella, even though it isn't raining. The two encounter a couple of mishaps, but eventually find a body, and after the body is identified, a list of suspects, most of whom don't seem as despicable as the murdered man.