The effects of a recent incident begin to cause Barnes to go mad; Nygma is over his head in his relationship with Isabella; Carmine Falcone throws an engagement party for Lee and Mario.

Gordon tracks down the weapon the Court of Owls intend to use for the destruction of Gotham; Kathryn and Temple Shaman tell Bruce about their next move; Ivy offers Selina help.

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.

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.

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.

With the creation of Haven as a safe place for refugees, Gordon hopes to stop the gang fighting in Gotham. Selina is determined to find Jeremiah and she convinces Bruce to help her. Penguin goes to Haven to reclaim his staff.

Gordon races to uncover the criminal element threatening to end talks of Gotham's reunification with the mainland. A very much alive Jeremiah returns and organizes a twisted recreation of the murder of Bruce's parents with the help of Jervis Tetch aka Mad Hatter.

As Bane enacts his final plan for Gotham's destruction, Gordon rallies his former enemies to save the city. Meanwhile, Nyssa al Ghul kidnaps Barbara's newborn daughter, with ambitions to raise her as her own. Then, Bruce's decision to leave Gotham points him to his destiny, while devastating Selina.