Jane and Fischer investigate a murder at an oil fracking site, while Rigsby and Van Pelt travel to Austin to help investigate suspects in the string of attacks on former CBI team members.

Both Mike and Jessica lean on Harvey for support when things from their respective pasts throw them off their game.

When a famous cancer researcher is found dead, Holmes and Watson must determine if the scientist’s untimely demise was tied to his latest cutting-edge invention. Meanwhile, Bell is finally cleared to re-enter the field.

A well prepared Fitz gets thrown a curve ball during the first presidential debate, Olivia receives shocking news and is forced to make an extremely difficult decision, and the gladiators work with a powerful CEO accused of murder. Meanwhile, one dirty little secret could lead to deadly consequences.

Jeff, Shirley and Hickey’s discovery of a hidden stash of textbooks causes power shifts within the group; Abed and Annie play a VCR game to decide who gets to choose their new roommate.

Jay takes Luke to the garage for some male bonding; Gloria and Claire take Lily dress shopping; Mitch, Cam, Alex and Manny spend a day at the museum; Phil helps Andy make an anniversary gift for his girlfriend.

When Frankie is arrested over an unreturned library book, she thinks Brick is at fault; Cassidy and Axl are reunited during spring break.

Monroe, Charlie and Connor make their way back to Willoughby, where they find that the Patriots’ reeducation center is up and running. An encounter with two of the center’s young cadets leaves Rachel and Miles divided on the lengths they are willing to go in order to take down the Patriots. As Neville and Jason find a new ally for their mission, more about the history of the Patriots is revealed.

When Coulson and his team are attacked by Lorelei – a deadly seductress who escaped from Asgard – Lady Sif, her longtime nemesis, steps in to try to save them.

Marshall enlists Ted and Barney to help him figure out where Lily went when she left in the middle of their fight.