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.

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.

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.

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.

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.

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.

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?”

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.

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

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.

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.

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.

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.

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.

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 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.

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 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.

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.

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.

The NATS are excited that graduation is near as they prepare to leave Quantico and head out into the real world for their new assignments. In the future, Alex learns someone she cared about at Quantico is not who they seemed to be, as she finds herself at the heart of another possible attack.

It’s graduation day for the NATS of Quantico, while, in the future, Alex and her team find themselves head-to-head with the terrorist.

While investigating the dark world of espionage at a mysterious CIA training facility, Alex becomes caught at the center of a conspiracy that threatens lives across the globe.

New CIA recruits run counter-surveillance exercises at The Farm. In the future, Ryan and Raina try to thwart the terrorists' plan to blend in with hostages

The new CIA recruits continue training at The Farm focusing on assessment, while in the future, Alex goes undercover to infiltrate the terrorist group holding everyone hostage where she is shocked to discover not everyone is a stranger.

The trainees are put through a training drill that tests their stress levels while Alex tries to gather information and get close to Owen. Meanwhile, in the future, the terrorist organization demands a trade, a move that could possibly end the stand-off.

At the Farm, Harry is still suspicious of Alex and Ryan, and he’s determined to learn more about their plan, while Leon is recruited for a special assignment by Owen. Meanwhile, in the future, Alex continues to run from the terrorists but faces her toughest challenge yet when the terrorists corner her.

At the Farm, the trainees learn their next task is to decide on a drone strike, which triggers Alex’s memories of Simon’s sacrifice. Meanwhile, Shelby and Leon’s relationship reaches the next level, and Nimah advises Alex and Ryan not to trust Harry. In the future, Alex questions if she can trust Lydia, leading to combat between the two.

At the Farm, Owen teaches the trainees about enhanced interrogation techniques, and turns the tables on his students by putting himself in the hot seat. Meanwhile, Shelby goes undercover. In the future, a new president is sworn in, and Miranda makes a tough choice.

At the Farm, Lydia and Owen teach the group about the necessity of lying and cutting off relationships. Perfect timing for Alex, since she is feeling disconnected from Ryan personally and professionally. In the future, Alex and company attempt to destroy the biological weapon.

The recruits are schooled in the art of seduction, which Alex sees as a perfect opportunity to get closer to Owen, but will it threatens her relationship with Ryan? And in the future, Alex finally gets the answers she’s been looking for about who and what the terrorists are on.

At the Farm, Owen teaches the recruits a lesson on the necessity of betrayal, with a mission of getting the Venezuelan Consul Gabriel Carrera to turn on his country. In the future, Alex is forced to team up with Miranda in order to save the hostages, while President Claire Haas has a plan to end the crisis once and for all.

Alex tries to convince Owen of the traitor amongst them. The recruits are tasked with getting an asset out of Germany – but their target has a death wish. In the future, the terrorists resort to new means to gain information from the hostages.

At the Farm, the recruits break into the NSA on a mission to delete all their personal information, but the rogue group within the CIA has other plans. In the future, the hostages strategize an escape via underground tunnels as a set-up to get the terrorists to reveal themselves.

The recruits learn how to burn everything down if they are ever exposed. Meanwhile, a mysterious death leads to an FBI investigation at the Farm. In the future, Alex heads back into the crisis zone and exposes the true traitor within the CIA.

In the wake of the G20 hostage crisis, President Claire Haas assembles an illegal and clandestine joint task force, bringing together Alex and her friends from both the FBI and CIA to unmask a global conspiracy.

While their newly appointed leader gets familiar with the team of CIA and FBI agents, Owen leads an investigation into the strange world of fake news. But hunting down the publishers of a fake story might lead to deadly consequences.

When Clay is forced to use his fiancée to carry out an operation, the whole team reexamines their personal connections, or more accurately, the lack thereof. Meanwhile, Alex forges an unexpected bond with an asset at the center of a conspiracy, and Harry struggles to find his place on the task force.

When one of Alex’s friends is framed for a domestic terror attack, they turn to her for help. With an upcoming vote in the House for a Muslim registry bill, the task force realizes this attack isn’t a coincidence. The Collaborators are actively stirring fear to pass the registry, and our team heads to the Hill to turn the votes. Meanwhile, Alex and Owen track down an assassin.

A despondent Clay meets with the President to discuss the future of the task force, but he’s interrupted by the arrival of his brother. Meanwhile, Alex leads an operation to expose the collaborators’ plans to sink the President’s reputation, and she teaches Owen to trust his instincts.

With all the collaborators unveiled, the team uses Clay and Maxine’s engagement party to entice them into one place. The mission: turn one against the others. But everyone’s lives are put at risk when one member of the team makes a surprising decision.

Risking it all, Alex works with Owen to infiltrate the Collaborators. When they begin to test her loyalty, Alex realizes she’s become a pawn in their plan to take down both the President and the task force.

After an impossible choice is made, a flood of new proposals shine a light on the final stages of the Collaborators’ plan. Fractured but not defeated, the task force, with the help of some old friends, work to put the pieces together before the Collaborators can enact an unthinkable terrorist attack.

It’s Alex and the team’s last stand against the Collaborators at the Constitutional Convention, where a new amendment to the Constitution threatens every American’s freedom.