Gordon and Bullock search for the source of a new street drug that causes euphoria then death. Oswald Cobblepot works his way deeper into Maroni's inner circle. Fish Mooney continues to plot against Falcone.

Following several bank robberies, Gordon and Bullock investigate the Red Hood gang. Selina Kyle continues to bond with Barbara, and Fish Mooney tries to reclaim her position in the underworld.

On the eve of their rehearsal dinner, a threat to Mario and Lee is exposed, and Falcone looks to Jim for help. Meanwhile, Nygma seeks revenge and Bruce learns more about The Court of Owls.

On the run from Gordon and Bullock, Dwight tries to revive Jerome, in turn, activates his acolytes around Gotham City. Meanwhile, Selina's mom's intentions in Gotham are revealed, and the power play between Penguin and Nygma escalates as Barbara's plans are set in place.

Gordon fears Jonathan Crane is still alive and back in Gotham, when The Scarecrow's signature MO is used in a series of robberies. Meanwhile, Penguin's "licensing" of crime in the city backfires during the grand opening of his new Iceberg Lounge. Also, in the aftermath of his encounter with Ra's Al Ghul, Bruce begins his vigilante watch.