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; in the future, Alex infiltrates the terrorist group holding everyone hostage, and is shocked to learn 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.
Alex sees a lesson in the art of seduction as an opportunity to get closer to Owen; Alex learns 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 passing 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 passing 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.