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.
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.
As we intercut between their hidden pasts and their present training, we also flash-forward to the near future, where one of the recruits will turn out to be a sleeper terrorist.