This episode is all about Deamonic possisson something which Agent Reyes is formiliar with from her work in New Orleans. Anyway Doggett and Reyes investigate and find that somehow a killer who is locked up in prison is responsible for the murders being committed. The agents believe that somehow the prisoner turned the guard. Eventually after a string of deamonic murders there is a final showdown at the docks when Scully is captured by the killer. Doggett is foced to shoot the convict but he falls into the river and they cannot recover the body. Doggett eventually realises that the victims were just random the killer needed to spell the deamonicus. Dea for one person, mon, and the cus. The killer chose them radomly froma phone book. Scully continues teaching her classes.
Overall really liked this episode. First Doggett and Reyes stand alone episode. Loved it. Start of a great season.