As the team hunts a killer who is fatally shooting seemingly unrelated targets, an experience on the job has new agent Tiffany Wallace examining the tension between her career as an FBI special agent and the responsibility she feels to her community as a Black woman.

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.

After a bomb leaves three people dead, the team presses a reluctant informant to gather information from his close friends who are under suspicion. Also, OA finds tension in his relationship with his girlfriend, Mona, when they clash on where the informant’s rights lie.

After a bomb explosion devastates a residential apartment building, special agents Maggie Bell and Omar Adom “OA” Zidan of the New York office of the Federal Bureau of Investigation investigate a possible war between rival gangs – that is, until their prime suspects are discovered brutally murdered.

The team pivots when their sting operation to secure a massive bomb from an illegal broker leads them to discover that the device is already in the wrong hands. Also, Jubal’s promise to be present at his son’s birthday party is put to the test as the case continues to heat up.

A serial bomber appears to be targeting Wall Street’s elite. Maggie and OA search for a suspect who seems dead-set on revenge, while Dana deals with Spencer Briggs, a cocky profiler brought in to consult on the case.

When a Muslim college student and his younger brother are murdered, the team connects with the outraged imam of OA's former mosque, who insists the victims were wrongly targeted as terrorists.

Maggie and OA lead the search for an abducted former biological weapons chemist.

After a bomb detonates at a restaurant in Queens, the case becomes personal for OA, who grew up eating there. But what initially seems like a terrorist attack reveals itself to be more complex, and OA goes undercover to prevent another incident.

The team welcomes a new member, Special Agent Tiffany Wallace, as they search for killers who orchestrated a mass shooting at a media company, and OA’s personal connection with the case threatens to cloud his judgement.

The team investigates an extremist gun group after an anti-gun lobbyist building is bombed; SAC Bashar dangles a possible promotion for OA.

When a retired DEA agent is shot outside a bakery, the team works to determine if the victim’s past cases or current bouncer job are connected to the murder. Also, Nina and Tiffany clash over the use of an informant while they are paired during the investigation.

When a wealthy accountant is gunned down for secretly testifying against a notorious drug lord, the team’s investigation leads Tiffany to ask for help from a friend who was formerly with the NYPD and is related to the dangerous crime boss.

When a deadly truck heist arms the killers with enough ammonium nitrate to construct a massive bomb, the team discovers a link to a terrorist group Maggie is working to infiltrate.

After a string of armed robberies targets various businesses, the team investigates a suspect who leads them to something much bigger; OA worries about his future when his investments begin to go south.

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.

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.

Special Agents Maggie Bell and OA Zidan rush to track down an active sniper with an elusive motive as the body count continues to rise.

As the team investigates a string of jewellery store robberies that culminate in a double murder, they uncover a connection to a 16-year-old boy trying to survive the foster care system. Tiffany becomes personally invested after learning about the boy's ill-fated upbringing.

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.

After finding a group of teens dead from a drug overdose, the team races to find the dangerous dealer and his supplier. Meanwhile, OA questions where he stands in his faith.

After eight people are fatally poisoned at a deli in New York City, special agents Maggie Bell and OA Zidan trace the crime to an unlikely culprit and conduct a sting operation to prevent further attacks.

Special Agents Maggie Bell and OA Zidan investigate the death of a safety inspector and its possible connection to a leak at a nuclear power plant.

After a front-running female presidential candidate, Valerie Caldwell, is targeted with a car bomb, OA and Maggie must hurry to track down the bomber before they strike again. The case leads them to wonder whether this person is targeting Caldwell for her political aspirations or something else.

When a board member of a soon-to-be-public medical tech company is murdered, the team tries to find out who had the most to gain from his death. OA is conflicted when pressure to help a family member is at odds with his commitment to tell the truth.