At Quantico, the Class of ’09 must complete the impossible challenges of Hogan's Alley. In the present, Poet, pursuing a deadly serial killer, is helped by an old friend. In the future, tragedy strikes and the justice system is no longer under human control.

In the present, Tayo seizes control of the Bureau. In the future, the Class of ’09 reunites in a final showdown with the system they created. In the past, the trainees graduate, wondering where they will all end up.