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.
A terror cell tries to infiltrate Quantico, forcing Miranda and Liam to pay a deadly price. Meanwhile, in the future, Alex continues to get instructions from the terrorist, with Claire Haas' life hanging in the balance.