Special Agent in training Julie Irene balances motherhood with training full-time at Quantico. Special Agent Leo McFarland discusses what it means to be LGBTQ in the FBI today. Special Agents Joe Rudnick and Megan Kirkland introduce a troubled teen to an ISIS cooperator to help him understand the brutal reality of the terrorist organization.

Special Agents John Anticev, Frank Pellegrino, Stephan Gaudin and Jennifer Keenan encounter a shifting global landscape as they identify and track terrorists leading up to, and in the wake of, 9/11.