Seriál sleduje práci členů newyorské pobočky Federal Bureau of Investigation (FBI, Federální úřad pro vyšetřování). Tito prvotřídní agenti spojují talent, intelekt a technické dovednosti, aby za pomoci pokročilých technik vyšetřovali případy s velkým dopadem, a to včetně terorizmu, organizovaného zločinu a vnitřních konspirací. Jejich cíl je jediný: udržet New York a zbytek země v bezpečí.
After an undercover investigation goes sideways, the team tries to flip their only witness to help them hunt down a rip crew at a cartel wedding. Scola and Nina make a big life decision.
When a federal whistleblower is murdered while in FBI custody along with two agents, the team is stunned to find a familiar perpetrator has resurfaced. Meanwhile, OA wrestles with telling the team what is happening in his personal life.
After the son of a professional basketball team owner is taken for ransom, Jubal and the team race to catch the kidnappers. Soon, they discover the perpetrators have been planning a larger revenge plot that they must act quickly to stop.
After Maggie's sister, Erin, goes missing, the team begins an all-out search to recover her. But when Maggie discovers Erin was kidnapped by a sinister figure from her past, she must race to save her before it's too late.
A dangerous drug kingpin from Eva's past resurfaces when two children and a daycare worker are killed due to an accidental drug exposure. While the team works the case, Eva wavers between her mission as an agent and her personal vendetta.
A double homicide in Brooklyn sets the team after a corrupt longshoreman but they soon discover something sinister has been smuggled into NY. As they race to stop the threat, Isobel enlists the help of CIA's Deputy Chief of Station Nikki Reynard.
When the body of a VA psychiatrist is found tortured and deceased under a nearby overpass, the team is led to a suspicious religious leader with a hefty online presence. Meanwhile, OA builds a connection with Special Agent Zara Ushruf who assists on the case.
When a single mother and her son are abducted while visiting a state park, Maggie brings in Peter Olsen to help profile their suspect. But as the team works, they make a harrowing discovery about an old case.
When an FBI evidence locker is robbed, leaving behind a dead ERT agent, the team discovers a vigilante duo looking to take down a high-scale pedophile ring. Meanwhile, Isobel meets the new Assistant Director in Charge.
When a big city donor is murdered inside her apartment, the team tracks down the young killer who leads them into a crypto scam he's been running with one of his victims, looking to seek revenge on his family.
Following the assassination of a major corporate executive, the team races to find leaders of a dormant terrorist organization that has reemerged. Meanwhile, OA is temporarily reassigned after refusing to follow orders but is paired up with a familiar face.
The theft of a bioweapon from an unwitting defector forces the team to work with an old foe to secure the lethal pathogen and prevent an outbreak across New York City.
