Lindsay Mushett

Frank goes on high alert when a threat to New York City may be imminent following a terrorist attack in the Middle East.

Danny and Baez investigate a possible serial killer who sends a chilling message to Danny. Erin toys with the idea of applying for a judgeship. Frank is in a bind when mayoral candidate, Katherine Tucker accuses him of secretly investigating her husband. Eddie faces her estranged father when he winds up in the hospital.

When newspaper reporter Lorenzo Colt is targeted while wearing NYPD gear on a ride-along with Jamie and Eddie, Frank puts Danny and Baez on the hunt for the shooter, who may be out for other members on the force. Garrett contemplates taking another job.