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.

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.

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 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.

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.