Absolute Power

Mayoral candidate Katherine Tucker becomes convinced Frank is secretly investigating her husband. He learns Mayor Poole has been illegally using his security aids to do this, and besides uncovering an affair, found no actual criminal activity. He decides to tell her the truth, but Garrett warns that doing this could earn the mayor's wrath, and threaten his job and those of everyone around him. Danny uncovers several dead women in a secluded field, pointing to a serial killer. After calling the killer a coward on TV, he is taunted by him. He finds a common connection between all the victims and races to apprehend the murderer at his house, but sustains injuries that allow him to escape. In the end, the criminal taunts him again and teases going after more women. Meanwhile, Jenko's father is brutally attacked in prison, and she and Jamie try to find out who did it.