It's time for Bessie and her friends to consider another cold case. This time, one of Andrew's work colleagues has come over to the island to observe the cold case unit at work. He's going to be starting his own unit soon, and he wants to learn all that he can about what makes the unit on the island so successful. As it's the beginning of tourist season on the island, Bessie has trouble helping Andrew's friend find a place to stay. Eventually...