Detectives Gordon and Bullock investigate a child trafficking ring preying on Gotham's street kids, including Selina Kyle. Meanwhile, Penguin resurfaces in the countryside and begins to make his way back to Gotham.

Gordon and Bullock track down a vigilante who uses weather balloons to kill corrupt citizens; Cobblepot gets a job close to a major figure in the underworld.

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.

As violence between Maroni and Falcone continues to escalate, Penguin reveals a new element of his manipulative strategy, forcing Gordon to deal with the consequences of his decision to spare Penguin’s life

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.

Gordon’s assignment at Arkham Asylum gets off to a rocky start when the murder of a guard ignites an investigation, leading him to meet Dr. Leslie Thompkins. Cobblepot continues to build his army.

When the key witness in a homicide ends up dead while being held for questioning by the police, Gordon suspects that it’s an inside job and looks to an old friend for information. Meanwhile, Oswald Cobblepot takes control of one of Fish Mooney’s prized possessions, as she gets a gets a small taste of her own medicine.

Gordon and Bullock set out to stop Gerald Crane, a biology teacher who has been harvesting the glands of his murder victims. Meanwhile, after finding herself in an unusual setting, Mooney continues plotting to gain power, and Falcone attempts to change Maroni's plan for the Penguin.

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.

Gordon and Bullock inspect a cold case involving "the Ogre", a serial killer who targets young women in Gotham City. Meanwhile, Fish plots her escape from the Dollmaker, and Bruce and Selina confront Reggie.

The Ogre breaks down Barbara’s emotions, while Gordon and Bullock go to great lengths to track him down. Meanwhile, Penguin leads a massacre, beginning an epic war, while Bruce learns the truth about Wayne Enterprises and Nygma deals with his recent actions.