Robin Starling traces a pistol that arrived in her mail to a recently murdered man who had been cheating on his wife. The police like the wife for the crime. The D.A. likes Robin as an accessory-after-the-fact. Robin, though she feels sympathy for the widow and her young son, likes running with her dog and hanging out with her teddy-bear boyfriend, but she is a young attorney in need of work. The case promises to be the case of her career right up to the moment when everything goes ballistic.