With a killer taunting them, the Hawthornes look to the police for assistance, but Brady needs Garrett’s help to solve the case. Alison prepares for the election and is rocked by a shocking discovery about her family and the unexpected return of an old friend. Also, as the family gathers for Election Day, they attempt to identify the killer in their midst, but one of them won’t make it out alive. (thetvdb.com)