PJ is a Cowdog who has a knack for finding bodies. Her human, Abby Chase, wants to be a successful jewelry artist like her favorite aunt, but she has to make a living and works as a cook on a remote Wyoming ranch.
Abby Chase wants to be a successful jewelry artist, but when her dog, PJ, gets carsick at a Wyoming mountain pullout and leads Abby to the body of a dying woman, Abby finds herself involved in another murder case. The woman’s family accuses Abby of stealing a valuable diamond ring. Abby must solve the murder to prove her innocence. Abby tries to pawn a ring, and it makes people more suspicious.
When Abby Chase takes her dog, PJ, for a hike on a remote Wyoming cattle ranch, PJ finds a human bone. With her life already in shambles, Abby convinces herself the bone belongs to an elk, until she sees a poster about a hunter missing for the past year. Abby returns to the woods to take a picture of the bone, beginning a string of events that place her and PJ in increasing danger. A killer and a