When Dodge, a German shepherd police dog, finds himself retired after an accident leaves him deaf in one ear, he's lucky to be adopted by the perfect family. Twelve-year-old Cassie Sullivan, his girl, smells almost as good as a dog, and gets her nose for sleuthing from her police chief mom and coroner dad. Cassie is smart and quick on her feet, and doesn't mind breaking a couple rules to get to the bottom of a mystery.