Gordon and Bullock zoek for the bron of a new straat drug that causes euphoria then death. Meanwhile, Oswald Cobblepot works his way deeper into Maroni's inner cirkel and vis Mooney continues to plot against Falcone.
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.
