When a fire breaks out at a pet food factory, Casey and Severide help the owner get to the bottom of it. The annual garage sale takes place at 51 and everyone is on edge.

Teresa solidifies her European foothold while George makes a discovery about Boaz's Miami operation.

June seeks out more active rebels in the Chicago war zone, while Janine tries to help her fit in with their new group of survivors. Moira goes on her first field aid mission.

Take a Deeper Look Inside Season 4 Episode 5 "Chicago"

Is Gilead Reasserting Its Power? Right after the explosive end to episode 5, Madeline Brewer (Janine) and Bradley Whitford (Commander Lawrence) debate if Gilead is really back to its old powerful self.

Jimmy asks Dave Chappelle to settle some of the biggest debates of all time, then catches up with Chappelle and Nikki Glaser before enjoying a musical performance from J.Period featuring Black Thought, Tiffany Gouché and narration by Chappelle.