With the Court of Owls decimated, the aftermath of the Tetch virus crippling the city, and every (surviving) villain in Gotham’s underworld jockeying for power, Jim Gordon and the GCPD have their hands full. What threat does Ra's al Ghul pose, and will Penguin regain his title as the King of Gotham? What new villains are in store for season four, and what does Bruce Wayne’s season finale reveal mean for Gotham City — and his ultimate destiny?
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.
Under pressure to prove that the GCPD is still powerful, Gordon attempts to bring in Jonathan Crane. However, Gordon puts himself in a dangerous situation at Arkham when he is forced to fight off lunatics and the demon within himself. Meanwhile, with Barbara's unexpected return, Selina and Tabitha must consider risks that come with joining her in the weapon business.
Gordon takes matters into his own hands when he travels to Miami in attempts to persuade Carmine Falcone for his help in the fight against Penguin. There, he meets Carmine's daughter, Sofia, who unexpectedly follows Gordon back to Gotham. The battle for Penguin's prized weaponry continues during auction night at the Iceberg Lounge and Bruce's presence puts him on Penguin's radar.
Bruce Wayne puts the lives of Gotham Natural History Museum historian Niles Winthrop and his grandson, Alex, in danger in an attempt to uncover the meaning behind his prized knife from the auction. Meanwhile, Ra's Al Ghul proves he'll take deadly measures to achieve what he wants. Also, with Sofia Falcone in town, she is on a mission to win back Gotham from Penguin.
Nygma comes face-to-face with Butch Gilzean, but he is not who he used to be. In an attempt to regain power and identity, Nygma decides to put his former partner's skills to the test. Meanwhile, Sofia Falcone takes action to protect her own life by appealing to Penguin's vulnerable side. With the power of the dagger in his possession, Bruce surprises those around him with his bold actions.
Gordon and Bullock are hot on a serial killer who has been assassinating cops and dressing his victims in the severed heads of pigs as his signature mark. Meanwhile, Sofia tries to win over Penguin, and Thompkins, Nygma and Grundy find themselves an unlikely home at Cherry's place.
With Professor Pyg striking fear throughout Gotham, Gordon and Bullock head into the Narrows to look for clues. Bruce Wayne meets a former friend, Grace, who convinces him to come along for a night out with some old classmates. Meanwhile, Sofia's relationships with Penguin and Gordon continue to evolve.
Grundy and Nygma become main attractions at Cherry's Place in The Narrows. Penguin wants revenge when he hears Nygma is mocking him on stage and enlists The Sirens for help. Meanwhile, Gordon is offered the position of GCPD Captain, putting him at odds with Bullock.
Professor Pyg continues to torment Gotham city, involving Jim Gordon whenever possible. Sofia and Penguin get ready for a fundraiser for the orphanage, and things don't go as planned when Professor Pyg shows up as the chef. Meanwhile, Bruce's partying gets in the way of his relationship with Alfred.
Gordon tries to broker a deal with Penguin that involves Sofia. Meanwhile, Alfred tries to pull Bruce out of his teenage-angst and downward spiral, as Lee Thompkins gains more control over the Narrows.
Things get complicated for Gordon, Sophia and Penguin when Carmine Falcone comes to town. Alfred tries to get through to Bruce once and for all, while Nygma struggles to gain control over The Riddler persona and Tabitha attempts to make Grundy remember his past.
Gordon is called to the scene after The Toy Maker is hired to assassinate one of Gotham's doctors. Lee Thompkins begins to try to rebuild the Narrows, with Nygma as her partner. Meanwhile, Alfred's new life in the Narrows becomes quite complicated. Ivy reveals her new persona to Selina, with some sinister plans in mind.
Ivy tracks a secret project on which Wayne Enterprises is working and begins to target anyone that can give her information. Meanwhile, Jerome becomes obsessed with Penguin in Arkham. Also, Gordon begins to second guess his deal with Sofia and an unsettling dream sequence shakes up Bruce.
Ivy picks her next target, leading Gordon and Lucius back to an old friend, as Selina tries to take matters into her own hands. Sofia wants full control of Gotham and turns to Lee about the state of the Narrows. Meanwhile, Bruce tries to make amends with Alfred, and Nygma visits Arkham
Bullock and Gordon try to track down someone who is key in Sofia's control over Gotham. Meanwhile, Penguin, Lee and Nygma enlist an unlikely ally as they seek revenge, and Selina asks Bruce for a favor to help rid her of her guilt over Ivy.
Arkham's "finest" give Gordon and Bullock a run for their money, as they hatch a plan to escape the asylum. Meanwhile, Bruce devises his own strategy to thwart their plans. Also, Barbara gets an offer she can't refuse.
Gordon and Bullock try to stay one step ahead as Jerome zeros in on his next target. Meanwhile, Nygma hosts a riddle game show in the Narrows and faces his toughest challenger in Lee Thompkins, and Penguin goes to see Butch with a proposal.
The Arkham inmates are still running freely in Gotham and they're only getting more difficult to catch. Gordon develops a plan, but reluctantly has to turn to Bruce for help. Meanwhile, Barbara finds out just how far her new friends are willing to go for her.
Gordon and Bullock try to figure out who the clever thief is behind the robberies of various bank branches in Gotham. Meanwhile, Barbara is put in danger, forcing Tabitha to recruit help.
Chaos erupts at the GCPD, sending Gordon on a wild goose chase for the culprit behind the mass takeover. Meanwhile, a friend of Bruce's becomes paranoid, resulting in rash and destructive behavior.
As Gotham falls into complete anarchy, a team of unlikely heroes step up to save it. Bullock takes the lead at the GCPD and Bruce's psychological limits are tested as those close to him are put in danger.
Jeremiah warns a skeptical Gordon of more destruction coming Gotham's way, and Gordon is forced to make a potentially devastating decision. Meanwhile, Barbara rallies together a team to secure her position, as alliances in the underworld shift and prove no one can be trusted. Then, Bruce is forced to come to terms with the future.