Alex finds evidence suggesting a new bombing. The FBI arrests all of Alex's accomplices except Agent Booth.
Ryan talks Alex through field surgery to save his life. When the FBI's files are hacked, Alex calls her friends from the Unknown to help sort out the data. Meanwhile, Clayton asks Caleb to erase any trace of his affair with Shelby, leading Caleb to stumble upon evidence that might exonerate Alex. At Quantico, the NATs are given personalized assignments that turn out to be part of a larger lesson at FBI headquarters. Ryan helps Alex get information on her father, leading to a confrontation with Liam, who reveals a secret from his and her father's past. Caleb accidentally reveals the existence of Shelby's half-sister to the FBI. Miranda tries to engage with her son, with tragic consequences. Simon and Raina are disappointed to learn that it's Nimah he's more interested in. In the present, Alex realizes that there's another deadlier bomb and reluctantly turns herself in to inform the FBI of the threat.
- Priyanka Chopra as Alex Parrish
- Josh Hopkins as Liam O'Connor
- Jake McLaughlin as Ryan Booth
- Aunjanue Ellis as Miranda Shaw
- Yasmine Al Massri as Nimah and Raina Amin
- Johanna Braddy as Shelby Wyatt
- Tate Ellington as Simon Asher
- Graham Rogers as Caleb Haas
- Anabelle Acosta as Natalie Vasquez
- Mark Pellegrino as Clayton Haas
- Jacob Artist as Brandon Fletcher
- J. Mallory McCree as Charlie Price
- David Alpay as Duncan
- Anna Diop as Mia
- Marjan Neshat as Samar Hashmi
- This episode title was spoken by Alex Parrish.