When paintings from a high-profile international cultural exchange are stolen – leaving a security guard dead – the team races to recover the priceless artworks. Meanwhile, Maggie turns to a friend for help profiling suspects.

After a federal judge disappears, a routine investigation takes a dark turn as the team uncovers that the judge had been searching for his missing son on a secluded island on the city's edge, where authority has crumbled. Meanwhile, reality weighs heavy on Jubal as he takes on a new leadership role.

After a young man is found beaten to death on federal land, Scola and Special Agent Eva Ramos hit a roadblock when their case intersects with a DEA operation. Meanwhile, there is a potential shake-up inside of the JOC.

Maggie partners with Eva to hunt a killer after a shocking daytime stabbing in an NYC park. After a subsequent murder, they realize the assassin has a hit list, begging the question: "Who's on it and who's next?"

When a large-scale explosion rocks a Brooklyn apartment complex, the team quickly locates the perpetrator and discovers he's acting on the orders of a convicted felon currently serving time. Meanwhile, Isobel must name her successor before she moves into her new role.

When a robbery at a community clinic turns deadly, the team investigates a drug trafficking crew and soon uncovers that the clinic's doctor may be more involved than they initially thought. Meanwhile, Isobel and her stepdaughter are at odds over a family issue.

After Jubal narrowly escapes a calculated assault on a secret FBI office, the team discovers a rogue terrorist group has infiltrated the FBI. Unsure of who to trust, the team must work in the shadows to unmask the culprits threatening the sanctity of the New York field office.

After the president of the NY Fed is gunned down trying to help a young woman in peril, the team races to find the killer and the missing woman. Additionally, a distressing connection to one of Jubal’s past cases is revealed during the investigation, compounding the pressure on him as he also deals with his son’s school suspension.

When a local club owner is found dead, the team works quickly to find the motive behind the murder of a seemingly innocent man. Meanwhile, OA is smitten with a new love interest but is concerned that she's mixed up with the wrong crowd.

When a federal judge is gunned down execution-style in broad daylight, the team is sent looking for a suspect with ties to a local Islamic center. Also, Maggie reunites with a former colleague while things become tense between OA and his girlfriend Gemma.

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. Also, Maggie picks Jessica's brain about motherhood.

After multiple people are targeted and killed with a poisonous gas in broad daylight, the team races to find the killer, who they believe is tied to an eco-terrorist plot. Meanwhile, Maggie continues to explore motherhood.

When a bombing at a local restaurant leaves several injured or dead, including a congresswoman and someone close to Isobel, the team races to apprehend the suspect before another explosive goes off.

When a retired FBI agent is tortured and killed while working a security job, Scola and Nina go undercover as a married couple deep in the diamond game as the team tries to find out who is responsible. During the course of his and Nina's dangerous assignment, Scola is plagued by the possibility that their son Doug could end up parentless.

After an FDIC security guard is killed while tending to a pregnant woman in distress, the team works to locate the woman and the killer who took her hostage. Meanwhile, OA and Isobel worry about Maggie as she navigates taking care of Ella.

The team is thrown into a highly political case after four members of the Taliban are shot and one is kidnapped in New York with no record of their entrance into the country. Having served in the U.S. Army, this case hits close to home for OA, who struggles to open up to Gemma about his past in Afghanistan.

When a truck driver is murdered and the drug he was transporting goes missing, the team hunts for those behind the remaining batch that is already wreaking havoc on the streets of New York.

After Rina is critically wounded while heading to work with Jubal, the team makes the chilling discovery that a vengeful Vargas orchestrated the shooting from behind bars and continues to target the rest of their team and their loved ones.

The Somalian terrorist group behind the death of Agent Hobbs resurfaces, sending the team on a chase to take them down for good.

Maggie and Dana struggle to find justice for victims murdered by a serial killer who left a ghoulish mark on all of his victims, while the mayor limits the investigation in order to prevent economical loss.

When a bus explosion kills several innocent people, the team jumps into action to take down the responsible terrorist organization. Meanwhile, Scola tries to balance fatherhood with the job.

After an employee of the U.S. Army is shot in an industrial park, the team works to track down the killer who reveals a larger plot at play. Meanwhile, Tiffany continues to struggle with the guilt surrounding Hobbs' death.

When a passenger train is hijacked and rerouted while at high speed with an unarmed OA and Gemma on board, the team races to wrest control away from the unhinged perpetrators and prevent a catastrophe.

When a CEO is killed by a targeted explosion inside his penthouse, the team must work to figure out how someone accessed the highly secure building. Their task is further complicated when they discover the crime may be the work of an artificial intelligence program. Meanwhile, Maggie pumps the brakes on her personal life.

When the leader of a drug cartel and one of the world's most wanted men, Antonio Vargas, is apprehended by the team, the entire FBI headquarters is put at risk when his henchmen unveil a terroristic threat to free him. During the turmoil, Isobel must make the difficult decision whether to sacrifice her conscience or her career.