This particular Joe & Nancy episode follows Joe and Nance as they take their MA exam. A lot can happen in the two hours of the exam and so the detectives’ friends, Bess, Dave and Checho get to use their own detective skills to solve a surprisingly violent crime. The character Sadie is introduced in this episode — she is Checho’s love interest. Also, there’s an unexpected twist in the relationship between Nancy and Ned. Callie is also a main character in this particular episode.