When the director of a Brooklyn migrant center is abducted and held hostage along with his wife, the team must work quickly to meet the demands of their kidnapper Maggie picks Jessica's brain about motherhood.
When a federal judge is gunned down in broad daylight, the team is sent looking for a suspect with ties to a local Islamic center Maggie reunites with a former colleague.
When a local club owner is found dead, the team works quickly to find the motive behind the murder of a seemingly innocent man OA is smitten with a new love interest but is concerned that she's mixed up with the wrong crowd.
All eyes are on the team when it tries to find out who kidnapped the only child of a prominent U.S. senator the abduction also uncovers a potential link to a similar case that was pushed to the side by local authorities.
A drug dealer is shot in a federal park and the team sets out to look for his killer Maggie's sister returns to New York and complicates the case.
When a trucker is gunned down after a routine trip from Canada, all signs point the team to a noted criminal on the FBI's Most Wanted Terrorists list Jubal gets to work with an old friend and colleague, Detective Jack Lombardo.
When the deputy commander of an Air National Guard Base is kidnapped, the team must work quickly to find the suspect along with stolen ammunition Scola questions his own safety in the aftermath of a recent traumatic experience.
Maggie calls in Remy to aid Scola in his undercover mission to find the terrorists believed to be responsible for the imminent attack in New York.
The shooting of a federal corrections officer leads the team to an ex-Marine who has gone rogue ever since he returned from Afghanistan Tiffany's sister looks to her for guidance when their younger brother begins to lash out.
When an off-duty diplomatic security agent is fatally shot in New York City trying to apprehend someone, the team investigates if there's a connection to his time working in Croatia.
On Christmas Day, Sonny and Will race to find a necklace.
Sonny's search for a home-cooked Christmas dinner leads to a treasure hunt.
Will hits a winning streak in Las Vegas.
Erin and Frank clash over new legislation from the district attorney's office that undermines Frank's policies Erin is at odds with Governor Mendez over questionable sex-trafficking laws Danny risks his badge to protect a friend from losing his.
Things get personal for Danny when the drug cartel hit man responsible for torching his house resurfaces an attack on an officer in the line of duty directly impacts a member of Frank's team Eddie reluctantly introduces Jamie to her mother.
Jamie clashes with Eddie and her new partner when they fail to intervene in a dispute at a convenience store Danny and Baez investigate the death of a college freshman at a fraternity party a sergeant accuses the department of reverse racism.
Danny and Baez investigate a murder attempt against a celebrated fertility doctor with a seemingly pristine reputation Eddie must intervene in a Reagan family matter involving Danny's boys Erin helps Anthony find justice after a date goes wrong.
When a series of drive-by murders occurs after six wrongly convicted men are released from prison, Danny and Baez wonder if the murders were orchestrated by the men as an act of revenge Frank combats feelings of guilt.
Frank locks horns with a data-tracking company when it refuses to unlock a terrorist's phone that may hold information regarding upcoming targets Erin obtains information about an impending murder from a shady source a woman kidnaps a baby.
Danny resorts to asking his incarcerated archenemy for help locating a dangerous criminal who escaped from prison Lugo refuses to assist unless he's allowed to accompany them on the pursuit Frank tries to convince Jamie to take the sergeant's test.