As a contentious city council vote on the future of the Arkham district approaches, politicians from both sides are in danger. Gordon and Bullock must race to protect the council and an old friend visits Gordon.

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.

Trying to close the Wayne murder case, a young Harvey Dent and Gordon team up, much to Mayor James’ chagrin. Meanwhile, Penguin makes contact with Mooney’s secret weapon, Liza.

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.

As Gotham City’s gang war reaches its boiling point, Fish Mooney goes head-to-head with Maroni and Penguin in an attempt to re-stake her claim on the city. Meanwhile, Barbara and Leslie Thompkins are brought together after recent events, and Bruce searches Wayne Manor for any hints that his father might have left behind.

Penguin is King of Gotham and after a shakeup at the GCPD, Detective James Gordon's moral compass wavers, as he seeks help from Penguin. Meanwhile, Bruce Wayne continues to explore the secrets from his father's office, and Gotham newcomers Theo Galavan and his sister, Tabitha, make friends with some unlikely allies - a group of dangerous inmates from Arkham.

Gordon and Bullock investigate a location where several kids have been kidnapped. Barbara proves to be an unlikely ally to Gordon. Bruce looks into an alleged witch with healing powers for Selina. Nygma deals with demons of his own.