VIDEO: Sneak Peek - 'Inside' Episode of ABC's QUANTICO

On the Winter Finale of ABC's QUANTICO titled "Inside", the terrorists responsible for the bombing of Grand Central Station finally reveal themselves, but instead of answers, more questions remain. While back at Quantico, the recruits receive a well-deserved few days off for the holidays, but not everyone is oh so merry when secrets are revealed and lines and blurred.

The episode airs Sunday, December 13th on ABC. Get a sneak peek below!

In the future, Alex is interrogated by a highly sophisticated FBI team while Ryan’s life hangs in the balance. The all-new episode airs Sunday, November 29th on ABC. Get a sneak peek below!

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.

“Quantico” stars Priyanka Chopra as Alex Parrish, Josh Hopkins as Liam O’Connor, Jake McLaughlin as Ryan Booth, Aunjanue Ellis as Miranda Shaw, Johanna Braddy as Shelby Wyatt, Tate Ellington as Simon Asher, Graham Rogers as Caleb Haas and Yasmine Al Massri as Nimah Amin.

“Quantico” was written by Joshua Safran. Executive producers are Joshua Safran, Mark Gordon, Nicholas Pepper, Jake Coburn and Robert Sertner. “Quantico” is produced by ABC Studios.