With only a few weeks until graduation, the NATS are dispatched to various field offices where Alex and Ryan find themselves working a case together. Meanwhile, in the future, Shelby and Caleb’s relationship takes a turn, and Alex doesn’t know who to trust when she discovers new information about the man she loves.

It’s career day at Quantico as the NATS meet representatives from various FBI branches to help them decide their future paths. In the future, Alex continues to search for the terrorist, and in the process, discovers some familiar faces – including one who knows the terrorist’s endgame.

At Quantico, the NATs look into each other’s background to determine who gets high-level security clearance, and in the process Alex, Shelby and Iris learn some surprising truths about Drew, Will and Caleb. Meanwhile, in the future, Alex contacts Claire Haas (guest star Marcia Cross) in order to find her missing friends and is shocked when she discovers what happened to Cale.

At Quantico, the NATS’ current assignment is to learn about human trafficking when Liam and Miranda challenge them to cross the U.S. / Canadian border without passports. Meanwhile, in the future, Simon continues to help Alex try to find the terrorist, but doing so puts his own life in great risk.

At Quantico, the NATS are given a training exercise that hits too close to home for Shelby. While in the future, Alex finds an unlikely ally in Hannah, as she continues to try and stop the terrorist from striking again.

A terror cell tries to infiltrate Quantico, forcing Miranda and Liam to pay a deadly price. While in the future, Alex continues to get instructions from the terrorist – only this time, it’s Claire Haas’ life that hangs in the balance.

At Quantico, the NATS team up for defensive driving lessons while tensions between Liam and Drew explode, resulting in shocking admissions and consequences. In the future, Simon grapples with his new reality in the aftermath of what’s transpired. Even though his friends try and help him, it’s uncertain he will ever be the same again.

This week the NATS learn how to source information from confidential informants, but when they test their skills in the real world, they soon realize being an agent is not as easy as it seems. Meanwhile, in the future, Alex and a fellow agent find themselves in a life or death situation when they are forced to provide classified information that could result in deadly consequences.

Alex finds herself in the middle of a congressional hearing to testify about the terrorist bombings. Convinced Elias didn’t act alone, she is determined to find answers and the truth. While back at Quantico, a new group of NATS join Alex and her classmates, causing tension and competition between the groups of trainees.

The terrorists responsible for the bombing of Grand Central Station finally reveal themselves, but instead of answers, more questions remain. While back at Quantico, the recruits receive a well-deserved few days off for the holidays, but not everyone is oh so merry when secrets are revealed and lines and blurred.

At Quantico, an emergency disciplinary hearing causes deep secrets to be spilled, while in the future Alex works covertly with her team to find the real bomber before her time runs out.

At Quantico, the NATS attend a class with guest speaker Dr. Susan Langdon. Dr. Langdon is a former agent and profiler who tasks the trainees with looking at serial killer cases to find the one victim that doesn’t fit the case, but when Simon becomes too good at finding things that don’t belong, it’s his life that becomes endangered. In the future, Alex is interrogated by a highly sophisticated FBI team while Ryan’s life hangs in the balance

In the future, the FBI computer system is hacked and confidential files go public leading Alex to the conclusion that a second bomb is in play somewhere in NYC. Back at Quantico, the recruits are given individual assignments only to realize they are all connected as part of a lesson to look at the bigger picture.

It’s midterm exam time at Quantico where the NATS are given an explosive assignment which results in some people going home for good. In the future, Alex continues to try and clear her name, finding Nimah and Raina who provide more questions than answers leaving Alex and the world to wonder, “who can you really trust?”

The NATs learn surveillance by putting it into practice with Miranda and her troubled son, Charlie. Shelby tries to keep Caleb at a distance, but Raina opens the door to a closer relationship with Simon. In the future, Alex is helped when she tries to hack into an FBI computer.

The trainees leave campus for the first time while undergoing their first undercover assignment. With an evening full of unpredictable events, Alex and Ryan find themselves getting close while the recruits’ skills are tested. In the future, Alex decides to tell her side of the story and sits down for her first public interview leaving everyone watching to wonder who is really telling the truth.

At Quantico, the recruits are tasked with performing a hostage rescue training exercise that shakes Alex, making her question her ability and whether she should quit Quantico. While in the future, Alex continues to search for clues, finding one that questions the innocence of one of her closest classmates. But is her clue really what she thinks? No one is who they seem.

At Quantico, Alex finally receives information about her father and his FBI past, but in the future it’s her mother, Sita, who plays a key role when Liam convinces her to participate in a press conference on national television begging Alex to turn herself in. Also at “Quantico,” the NATS learn the art of profiling and focus on their classmates’ strengths and weaknesses, ultimately challenging their confidence and comradery.

Alex is on the run and must outsmart Liam and his team to get into her apartment for anything that could help clear her name. Meanwhile, in a flashback to Quantico training, the NATS are tasked with finding a needle in a haystack while looking for potential threats to national security.

A diverse group of recruits has arrived at the FBI Quantico Base for training. They are the best, the brightest and the most vetted, so it seems impossible that one of them is suspected of masterminding the biggest attack on New York City since 9/11.

Reeling from the death of his friend, Luther races to save the others from Cornelius’s terrible retribution. With Luther’s increasing absence from the case, Halliday heads the hunt for a killer on the loose – a killer determined to complete his final macabre masterpiece.

With his friend in peril and a young woman kidnapped by the relentless serial killer, can Luther protect the innocent while preventing Cornelius’s violent revenge from consuming him? Who is Luther willing to save, and who can’t he bear to lose?

Luther must confront a demon from his past, as both the police and Cornelius converge on his home. With Halliday convinced that the body in the morgue isn’t their killer, can Luther put his own troubles to one side and find the true murderer before he strikes again?

A new spate of nightmarish murders brings DCI John Luther to once again face the depths of human depravity on the streets of London. As the body count rises, and gangster George Cornelius applies his own pressure, can Luther catch the killer and save his own neck?

On the trail of a horrifying killer, Luther finds himself haunted by ghosts from his past.

Away from the police force, Luther receives a visit from Detective Chief Inspector Theo Bloom and Detective Sergeant Emma Lane. They bring him some new evidence that will draw him back to London to find the truth. The team tracks a cannibalistic serial killer.

Marwood makes his vendetta personal – targeting Luther and those closest to him, raining destruction on everything he touches. Stark and Gray arrive just in time to hurry Mary to a secret place, but is her safety really Stark’s priority, or is she just a pawn in his game to lure Luther to him?

In what looks like a gangland crime – two hoodies are shot at close range. But an un-connected crime sees Luther make a un-connected connection that might provide the real answer to what happened.

Luther’s date with Mary, and the promise of romance, is interrupted by the news of another murder. The killer has struck again – the number of victims is escalating fast.

Luther investigates a the case of a fetishist who is murdering women which is similar to an unsolved case from the 1980s. The team attempt to catch the copycat killer, whose murderous spree has only just started.

Luther’s personal and professional life spirals out of control as he tries to cover up Toby’s death and appease a suspicious Baba. He must also protect Jenny from any further harm. At work there’s also a killer at large whose actions are ruled by his dice. How do you stop a man who sees life and death as a game and whose actions can’t be predicted?

As Luther’s affection for Jenny grows, so does his determination to protect her and help her back on her feet. Baba, however, is determined to keep Luther on a tight leash. To add to Luther’s difficulties, he is called in to investigate a man whose brutal and escalating murders seem to have no motive, leaving Jenny alone and vulnerable.

Luther must rescue Ripley, abducted by Cameron, in time to prevent Cameron’s final murderous set piece. But Jenny’s ruthless and vengeful boss is demanding compensation for stealing her protege. Luther is torn; will his visionary mind provide the team with the tools to save Ripley and the killer’s intended victims, or will his focus be compromised?

Still plagued by the death of his ex-wife, Luther returns to work to face a surreal and nightmarish case of a masked murderer determined to enter into folklore. As the body count rises, Luther must use all his skills to stop the killer, at the same time trying to rescue an old acquaintance’s daughter from the dangerous world of prostitution.

Luther, suspected of murder, goes on the run to try and prove his innocence. With Alice’s assistance, they set out together to exact revenge on the real killer.

When a wealthy couple are taken hostage, Luther must try to avert a disastrous chain of events. However, what he doesn’t know is that it will soon become very personal.

When a serial killer goes on the rampage, Luther must put his personal life aside and delve inside the murderer’s mind to discover what is driving him to kill so many girls, and why.

John Luther must catch a Satanic occult killer accused of kidnap and murder. However, with a young mother’s life at stake, Luther must use all his skills to build an airtight case.

A gunman begins murdering uniformed police officers, prompting the detective to taunt the killer on TV in the hope of inspiring him to turn his anger on him and come out into the open. To his horror, Luther also learns that Alice Morgan has been investigating his past – and is threatening to tell Zoe what she has discovered.

Luther returns to work after a traumatic arrest to investigate the murder of a former child genius’s parents, and quickly deduces that their daughter is responsible. However, unable to find evidence to convict, he becomes embroiled in a battle of wits with the suspect – who has set her sights on him and his estranged wife.