By Natalie Abrams
Updated August 31, 2015 at 12:03 PM EDT
Credit: Jeff Daly/USA Network

Did Briggs actually mastermind the arrival of the sarin gas? That’s what Mike will aim to prove during Thursday’s episode of Graceland.

As Mike (Aaron Tveit) begins to piece together Briggs’ (Daniel Sunjata) master plan, he’ll enlist the help of Paige (Serinda Swan), who suggests a very reasonable way to uncover the truth. Check out the sneak peek below to get the scoop:

Graceland airs Thursdays at 10 p.m. ET on USA.

WANT MORE EW? Subscribe now to keep up with the latest in movies, television and music.