Sue witnesses Tara shoot a robber but as they deal with the emotional aftermath, they learn someone has vowed vengeance on Tara. Meanwhile, when Sue and Levi find a lost dog, Amanda, a young deaf girl, offers to take care of it with surprising results.
When Sue and the FBI team track a serial murderer whose victims are powerful and successful women, Sue finds herself matching wits with the killer in a twisted game of ‘Simon Says.’ Meanwhile, Lucy faces a challenge of a different kind: hiring a good plumber.
Dimitrius faces a crisis point in his marriage and his career when he and his family are stalked by a recently released armed-robber intent on revenge.
Sue's parents come to visit for the holidays and, while Sue and her mother both want the perfect Christmas, they have different ideas about what that is.