When the team is called to the scene of a murder, they quickly suspect political motivation, but when another murder occurs, they work to uncover a common thread before more bodies pile up. Also, Maggie contemplates a decision that could affect her entire career.

A shooting at a quinceañera leaves two dead, but the team believes they may not have been the intended targets. Also, Maggie is trapped between a rock and a hard place as the team decides the best plan of action for using a witness to take down the suspect.

The team must track down two assailants who wear animal masks while committing armed robberies, with the latest leaving an off-duty 26 Fed security guard dead. Also, Tiffany and Scola butt heads on whether or not to accept the local NYPD’s offer to help in the investigation.

While investigating a mass casualty incident at a New York City restaurant, the team scrambles to determine if it was racially motivated and if there was more than one gunman. Also, Maggie starts to notice troubling behavior from her co-worker, Elise.